140-705: The Enhanced Defense Cooperation Agreement (EDCA) is an agreement between the United States and the Philippines intended to bolster the American–Philippine alliance . The agreement allows the United States to rotate troops into the Philippines for extended stays and allows the United States to build and operate facilities on Philippine bases for both American and Philippine forces. The U.S.
280-659: A bomb shelter in every building and school, but also deploying active protection systems such as the Arrow ABM , Iron Dome and David's Sling , which intercept the incoming threat in the air. Iron Dome has successfully intercepted hundreds of Qassam rockets and Grad rockets fired by Palestinians from the Gaza Strip. A more sophisticated target-hardening approach must consider industrial and other critical industrial infrastructure that could be attacked. Terrorists do not need to import chemical weapons if they can cause
420-514: A lower house based on population; and the Senate , an upper house based on equal representation for each state. Federalism provides substantial autonomy to the 50 states, while the country's political culture promotes liberty , equality , individualism , personal autonomy , and limited government . One of the world's most developed countries , the United States has had the largest nominal GDP since about 1890 and accounted for over 15% of
560-520: A " Special Relationship " with the United Kingdom and strong ties with Canada , Australia , New Zealand , the Philippines , Japan , South Korea , Israel , and several European Union countries ( France , Italy , Germany , Spain , and Poland ). The U.S. works closely with its NATO allies on military and national security issues, and with countries in the Americas through
700-542: A coordinated, continent-wide military effort. Finally, deteriorating relations between the British military establishment and the colonists, relations that were already less than positive, set the stage for further distrust and dislike of British troops. Following their victory in the French and Indian War, Britain began to assert greater control over local colonial affairs, resulting in colonial political resistance ; one of
840-577: A country primarily located in North America . It is a federal union of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the states of Alaska to the northwest and the archipelagic Hawaii in the Pacific Ocean . The United States also asserts sovereignty over five major island territories and various uninhabited islands . The country has
980-534: A decentralized government that operated until 1789. After the British surrender at the siege of Yorktown in 1781 American sovereignty was internationally recognized by the Treaty of Paris (1783), through which the U.S. gained territory stretching west to the Mississippi River, north to present-day Canada, and south to Spanish Florida . The Northwest Ordinance (1787) established the precedent by which
1120-407: A few prominent industrialists , largely by their formation of trusts and monopolies to prevent competition. Tycoons led the nation's expansion in the railroad , petroleum , and steel industries. The United States emerged as a pioneer of the automotive industry . These changes were accompanied by significant increases in economic inequality , slum conditions , and social unrest , creating
1260-480: A former U.S. National Security Council 's senior director for Asian affairs was quoted in The Washington Post as saying, "This is the most significant defense agreement that we have concluded with the Philippines in decades." Events/Artifacts (north to south) Events/Artifacts Artifacts For more than a century, the Philippines has been important to American defense strategy. Currently,
1400-638: A founding member of the World Bank , Organization of American States , NATO , and the United Nations , as well as a permanent member of the UN Security Council . The first documented use of the phrase "United States of America" is a letter from January 2, 1776. Stephen Moylan , a Continental Army aide to General George Washington , wrote to Joseph Reed , Washington's aide-de-camp , seeking to go "with full and ample powers from
1540-523: A major industrial accident such as the Bhopal disaster or the Halifax Explosion . Industrial chemicals in manufacturing, shipping, and storage thus require greater protection, and some efforts are in progress. Equipping likely targets with containers of pig lard has been used to discourage attacks by suicide bombers. The technique was apparently used on a limited scale by British authorities in
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#17327719035281680-510: A more credible mutual defense posture". This will allow US troops to stay in the country for an extended period. Five additional locations were being considered, one each in the provinces of Palawan, Zambales, and Isabela, and two in the province of Cagayan. Upon the election of president Bongbong Marcos , the Philippines gravitated towards the United States and Philippine-China relations deteriorated. The United States requested access to four additional locations of Philippine military bases under
1820-624: A national response might be required for a nuclear, biological, radiological, or significant chemical attack. Fire departments , perhaps supplemented by public works agencies, utility providers, and heavy construction contractors, are most apt to deal with the physical consequences of an attack. Again under an incident command model, local police can isolate the incident area, reducing confusion, and specialized police units can conduct tactical operations against terrorists, often using specialized counterterrorist tactical units. Bringing in such units will typically involve civil or military authority beyond
1960-598: A period of heightened, overt racism following Reconstruction, a time often called the nadir of American race relations . A series of Supreme Court decisions, including Plessy v. Ferguson , emptied the Fourteenth and Fifteenth Amendments of their force, allowing Jim Crow laws in the South to remain unchecked, sundown towns in the Midwest, and segregation in communities across the country , which would be reinforced by
2100-488: A prominent leader in the early 1960s. The Great Society plan of President Lyndon Johnson 's administration resulted in groundbreaking and broad-reaching laws, policies and a constitutional amendment to counteract some of the worst effects of lingering institutional racism . The counterculture movement in the U.S. brought significant social changes, including the liberalization of attitudes toward recreational drug use and sexuality . It also encouraged open defiance of
2240-637: A section on confronting terrorism in the recommendations in the Madrid Agenda arising from the Madrid Summit on Democracy and Terrorism (Madrid March 8–11, 2005): Democratic principles and values are essential tools in the fight against terrorism. Any successful strategy for dealing with terrorism requires terrorists to be isolated. Consequently, the preference must be to treat terrorism as criminal acts to be handled through existing systems of law enforcement and with full respect for human rights and
2380-712: A security-cleared Independent Reviewer of Terrorism Legislation , whose often influential reports are submitted to Parliament and published in full. One of the primary difficulties of implementing effective counterterrorist measures is the waning of civil liberties and individual privacy that such measures often entail, both for citizens of, and for those detained by states attempting to combat terror. At times, measures designed to tighten security have been seen as abuses of power or even violations of human rights. Examples of these problems can include prolonged, incommunicado detention without judicial review or long periods of 'preventive detention'; risk of subjecting to torture during
2520-526: A sense of manifest destiny . The Missouri Compromise attempted to balance the desire of northern states to prevent the expansion of slavery into new territories with that of southern states to extend it, admitting Missouri as a slave state and Maine as a free state. It further prohibited slavery in all other lands of the Louisiana Purchase north of the 36°30′ parallel . As Americans expanded further into land inhabited by Native Americans,
2660-614: A sense of American identity as well. Men who otherwise never left their own colony now traveled across the continent to fight alongside men from decidedly different backgrounds but who were no less "American". British officers trained American officers for battle, most notably George Washington ; these officers would lend their skills and expertise to the colonists' cause during the American Revolutionary War to come. In addition, colonial legislatures and officials found it necessary to cooperate intensively in pursuit of
2800-631: A shifting focus. During the U.S.-led " War on Terror " the annual Balikatan Exercises focused on training for counterterrorism missions. In 2012, the seal of the United States Embassy in Manila was defaced by student activists to protest the exercises. Disaster relief and crisis response have since become important focuses for the U.S.–Philippine security relationship and a key impetus of the EDCA agreement. The United States Marines were among
2940-632: A status solidified after its involvement in World War I . After Japan 's attack on Pearl Harbor in December 1941, the U.S. entered World War II . Its aftermath left the U.S. and the Soviet Union as the world's two superpowers and led to the Cold War , during which both countries struggled for ideological dominance and international influence . Following the Soviet Union's collapse and
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#17327719035283080-401: A year). Juvenile correctional facilities are operated by local or state governments and serve as longer-term placements for any minor adjudicated as delinquent and ordered by a judge to be confined. As of January 2023, the United States has the sixth-highest per capita incarceration rate in the world—531 people per 100,000 inhabitants—and the largest prison and jail population in
3220-490: Is a great challenge with the security of cell-based systems, since the ideal, but the nearly impossible, goal is to obtain a clandestine source within the cell. Financial tracking can play a role, as a communications intercept . However, both of these approaches need to be balanced against legitimate expectations of privacy. In response to the growing legislation. Since 1978 the UK's terrorism laws have been regularly reviewed by
3360-624: Is a reciprocal agreement in that not only does it outline the guidelines for US troops visiting the Philippines but also for Philippine troops visiting the United States. The signing of the VFA led to the establishment of annual bilateral military exercises between the US and the Philippine known as Balikatan , as well as a variety of other cooperative measures. The Balikatan training exercises ("shoulder-to-shoulder") are annual military exercises between
3500-591: Is believed to be the first widespread culture in the Americas. Over time, indigenous North American cultures grew increasingly sophisticated, and some, such as the Mississippian culture , developed agriculture , architecture , and complex societies . In the post-archaic period , the Mississippian cultures were located in the midwestern , eastern , and southern regions, and the Algonquian in
3640-498: Is known as the presidential system , in contrast to the parliamentary system , where the executive is part of the legislative body. Many countries around the world imitated this aspect of the 1789 Constitution of the United States , especially in the Americas. The Constitution is silent on political parties. However, they developed independently in the 18th century with the Federalist and Anti-Federalist parties. Since then,
3780-400: Is not allowed to establish any permanent military bases . The Philippines have personnel access to American ships and planes. This agreement has been the subject of criticism by some leftist groups in the Philippines. The EDCA is a supplemental agreement to the previous Visiting Forces Agreement . The agreement was signed by Philippine Defense Secretary Voltaire Gazmin and US Ambassador to
3920-438: Is now the United States experienced conflicts with Native Americans, they also engaged in trade, exchanging European tools for food and animal pelts. Relations ranged from close cooperation to warfare and massacres. The colonial authorities often pursued policies that forced Native Americans to adopt European lifestyles, including conversion to Christianity. Along the eastern seaboard, settlers trafficked African slaves through
4060-448: Is sometimes directed to specific ethnic or religious groups, which are the sources of political conversy. Mass surveillance of an entire population raises objections on civil liberties grounds. Domestic terrorists , especially lone wolves , are often harder to detect because of their citizenship or legal status and ability to stay under the radar. To select the effective action when terrorism appears to be more of an isolated event,
4200-552: Is the federal agency charged with addressing most environmental-related issues . The idea of wilderness has shaped the management of public lands since 1964, with the Wilderness Act . The Endangered Species Act of 1973 provides a way to protect threatened and endangered species and their habitats. The United States Fish and Wildlife Service implements and enforces the Act. In 2024, the U.S. ranked 34th among 180 countries in
4340-423: Is the uncertainty of the future: the threat of terrorism may increase, decrease or remain the same, the type of terrorism and location are difficult to predict, and there are technological uncertainties. A potential solution is to incorporate engineering flexibility into system design, allowing for flexibility when new information arrives. Flexibility can be incorporated in the design of a counter-terrorism system in
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4480-461: Is to directly engage terrorists and prevent terrorist attacks. Such units perform both in preventive actions, hostage rescue, and responding to ongoing attacks. Countries of all sizes can have highly trained counterterrorist teams. Tactics, techniques, and procedures for manhunting are under constant development. These units are specially trained in military tactics and are equipped for close-quarters combat , with emphasis on stealth and performing
4620-446: Is to place hostile vehicle mitigation to enforce protective standoff distance outside tall or politically sensitive buildings to prevent car bombings . Another way to reduce the impact of attacks is to design buildings for rapid evacuation. Aircraft cockpits are kept locked during flights and have reinforced doors, which only the pilots in the cabin are capable of opening. UK railway stations removed their garbage bins in response to
4760-446: Is very large in physical terms and in other dimensions, such as type and degree of terrorist threats, political and diplomatic ramifications, and legal concerns. Ideal counterterrorist systems use technology to enable persistent intelligence , surveillance and reconnaissance missions, and potential actions. Designing such a system-of-systems comprises a major technological project. A particular design problem for counterterrorist systems
4900-603: The Allies of World War I , helping to turn the tide against the Central Powers . In 1920, a constitutional amendment granted nationwide women's suffrage . During the 1920s and '30s, radio for mass communication and the invention of early television transformed communications nationwide. The Wall Street Crash of 1929 triggered the Great Depression , which President Franklin D. Roosevelt responded to with
5040-553: The Atlantic slave trade . The original Thirteen Colonies that would later found the United States were administered as possessions of Great Britain , and had local governments with elections open to most white male property owners . The colonial population grew rapidly, eclipsing Native American populations; by the 1770s, the natural increase of the population was such that only a small minority of Americans had been born overseas. The colonies' distance from Britain allowed for
5180-531: The Clark Air Base . In 1992, the bases closed after the Philippine Senate rejected, by a close vote, a treaty that would have extended the bases' lease. The treaty was rejected because of US reluctance to set a firm time frame for troop withdrawal and to guarantee that no nuclear weapons would pass through the base. The Philippines–United States Visiting Forces Agreement (VFA) was signed by
5320-549: The Environmental Performance Index . The country joined the Paris Agreement on climate change in 2016 and has many other environmental commitments. The United States is a federal republic of 50 states and a separate federal capital district, Washington, D.C. It also asserts sovereignty over five unincorporated territories and several uninhabited island possessions . The U.S. is
5460-500: The Federal Bureau of Investigation (FBI) and the U.S. Marshals Service have national jurisdiction and specialized duties, such as protecting civil rights , national security and enforcing U.S. federal courts ' rulings and federal laws. State courts conduct most civil and criminal trials, and federal courts handle designated crimes and appeals of state court decisions . There is no unified "criminal justice system" in
5600-720: The Great Lakes , Mississippi River and Gulf of Mexico . British colonization of the East Coast began with the Virginia Colony (1607) and Plymouth Colony (1620). The Mayflower Compact and the Fundamental Orders of Connecticut established precedents for representative self-governance and constitutionalism that would develop throughout the American colonies. While European settlers in what
5740-719: The Great Lakes region and along the Eastern Seaboard , while the Hohokam culture and Ancestral Puebloans inhabited the southwest . Native population estimates of what is now the United States before the arrival of European immigrants range from around 500,000 to nearly 10 million. Christopher Columbus began exploring the Caribbean for Spain in 1492, leading to Spanish-speaking settlements and missions from Puerto Rico and Florida to New Mexico and California . France established its own settlements along
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5880-923: The Malayan Emergency , the Mau Mau uprising , and most of the campaigns against the IRA during the Irish Civil War , the S-Plan , the Border Campaign , and the Troubles in Northern Ireland. Although military action can temporarily disrupt a terrorist group's operations temporarily, it sometimes does not end the threat completely. Repression by the military in itself usually leads to short term victories, but tend to be unsuccessful in
6020-596: The Midwest . At the same time, about one million French Canadians migrated from Quebec to New England . During the Great Migration , millions of African Americans left the rural South for urban areas in the North. Alaska was purchased from Russia in 1867. The Compromise of 1877 effectively ended Reconstruction and white supremacists took local control of Southern politics . African Americans endured
6160-688: The National Park Service and other agencies. About 28% of the country's land is publicly owned and federally managed, primarily in the Western States . Most of this land is protected , though some is leased for commercial use, and less than one percent is used for military purposes. Environmental issues in the United States include debates on non-renewable resources and nuclear energy , air and water pollution , biodiversity , logging and deforestation , and climate change . The U.S. Environmental Protection Agency (EPA)
6300-596: The New Deal , a series of sweeping programs and public works projects combined with financial reforms and regulations . All were intended to protect against future economic depressions. Initially neutral during World War II , the U.S. began supplying war materiel to the Allies of World War II in March 1941 and entered the war in December after the Empire of Japan 's attack on Pearl Harbor . The U.S. developed
6440-778: The Organization of American States and the United States–Mexico–Canada Free Trade Agreement . In South America, Colombia is traditionally considered to be the closest ally of the United States. The U.S. exercises full international defense authority and responsibility for Micronesia , the Marshall Islands , and Palau through the Compact of Free Association . It has increasingly conducted strategic cooperation with India , but its ties with China have steadily deteriorated. Since 2014,
6580-648: The Pentium microprocessor in accordance with Moore's law , rechargeable lithium-ion batteries , the first gene therapy trial, and cloning either emerged in the U.S. or were improved upon there. The Human Genome Project was formally launched in 1990, while Nasdaq became the first stock market in the United States to trade online in 1998. In the Gulf War of 1991, an American-led international coalition of states expelled an Iraqi invasion force that had occupied neighboring Kuwait . The September 11 attacks on
6720-797: The Provisional IRA threat, as convenient locations for depositing bombs. Scottish stations removed theirs after the 7 July 2005 London Bombings as a precautionary measure. The Massachusetts Bay Transportation Authority purchased bomb-resistant barriers after the September 11 attacks. Due to frequent shelling of Israel's cities, towns, and settlements by artillery rockets from the Gaza Strip (mainly by Hamas , but also by other Palestinian factions) and Lebanon (mainly by Hezbollah ), Israel has developed several defensive measures against artillery, rockets, and missiles. These include building
6860-591: The Spanish–American War . (The Philippines was granted full independence from the U.S. on July 4, 1946, following World War II. Puerto Rico and Guam have remained U.S. territories.) American Samoa was acquired by the United States in 1900 after the Second Samoan Civil War . The U.S. Virgin Islands were purchased from Denmark in 1917. The United States entered World War I alongside
7000-700: The cotton gin made the institution increasingly profitable for Southern elites . This sectional conflict regarding slavery culminated in the American Civil War (1861–1865). Eleven slave states seceded and formed the Confederate States of America , while the other states remained in the Union . War broke out in April 1861 after the Confederates bombarded Fort Sumter . After
7140-523: The end of the Cold War in 1991, the U.S. emerged as the world's sole superpower , wielding significant geopolitical influence globally . The U.S. national government is a presidential constitutional federal republic and liberal democracy with three separate branches : legislative , executive , and judicial . It has a bicameral national legislature composed of the House of Representatives ,
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#17327719035287280-537: The fall of communism and the collapse of the Soviet Union , which marked the end of the Cold War and left the United States as the world's sole superpower . The 1990s saw the longest recorded economic expansion in American history , a dramatic decline in U.S. crime rates , and advances in technology . Throughout this decade, technological innovations such as the World Wide Web , the evolution of
7420-400: The global economy in 2023. It possesses by far the largest amount of wealth of any country and has the highest disposable household income per capita among OECD countries. The U.S. ranks among the world's highest in economic competitiveness , productivity , innovation , human rights , and higher education . Its hard power and cultural influence have a global reach. The U.S. is
7560-462: The "agreed locations" to the Philippine government upon the termination of the agreement. The agreement also stipulates that the US is not allowed to store or position any nuclear weapons on Philippine territory. In April 2015, the United States government asked for access to eight bases in the Philippines, including the formerly American Subic Bay Naval Base , and Clark Air Base , as well as locations in Luzon, Cebu, and Palawan. On March 19, 2016,
7700-406: The 1775 Battles of Lexington and Concord , igniting the American Revolutionary War . At the Second Continental Congress , the colonies appointed George Washington commander-in-chief of the Continental Army , and created a committee that named Thomas Jefferson to draft the Declaration of Independence . Two days after passing the Lee Resolution to create an independent nation the Declaration
7840-419: The 1940s. The approach stems from the idea that Muslims perpetrating the attack would not want to be "soiled" by the lard in the moment before dying. The idea has been suggested more recently as a deterrent to suicide bombings in Israel. However, the actual effectiveness of this tactic is likely limited. A sympathetic Islamic scholar could issue a fatwa proclaiming that a suicide bomber would not be polluted by
7980-466: The 2010s, political polarization in the country increased between liberal and conservative factions. This polarization was capitalized upon in the January 2021 Capitol attack , when a mob of insurrectionists entered the U.S. Capitol and sought to prevent the peaceful transfer of power in an attempted self-coup d'état . The United States is the world's third-largest country by total area behind Russia and Canada. The 48 contiguous states and
8120-581: The 20th and 21st centuries are listed below. See list of hostage crises for a more extended list, including hostage-takings that did not end violently. Sea , south of the French coast ; subsequently Mogadishu International Airport , Somalia March 30, the Manawan Police Academy in Lahore attack – 8 gunmen, 8 police personnel and 2 civilians killed, 95 people injured, 4 gunmen captured. Plaza Cinema Chowk attack – 16 police officers, an army officer and unknown number of civilians killed. As many as 251 people injured. The scope for counterterrorism systems
8260-426: The American West have an alpine climate . The climate is arid in the Southwest, Mediterranean in coastal California , and oceanic in coastal Oregon , Washington , and southern Alaska . Most of Alaska is subarctic or polar . Hawaii , the southern tip of Florida and U.S. territories in the Caribbean and Pacific are tropical . States bordering the Gulf of Mexico are prone to hurricanes, and most of
8400-420: The Declaration of Independence on July 4, 1776. The term "United States" and the initialism "U.S.", used as nouns or as adjectives in English, are common short names for the country. The initialism "USA", a noun, is also common. "United States" and "U.S." are the established terms throughout the U.S. federal government , with prescribed rules. In English, the term "America" rarely refers to topics unrelated to
8540-404: The District of Columbia occupy a combined area of 3,119,885 square miles (8,080,470 km ). The coastal plain of the Atlantic seaboard gives way to inland forests and rolling hills in the Piedmont plateau region. The Appalachian Mountains and the Adirondack massif separate the East Coast from the Great Lakes and the grasslands of the Midwest . The Mississippi River System ,
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#17327719035288680-413: The EDCA, to which Marcos approved. On April 3, 2023, the locations of the four new EDCA sites—three in north Luzon facing Taiwan, and one in Palawan facing the South China Sea—were announced: The governors of Isabela and Cagayan , which together host three of the bases, expressed dismay at the agreement, stating they had not been consulted on the sites and did not want their provinces to pay too much for
8820-458: The Elder concluded that major military resources needed to be devoted to North America to win the war against France. For the first time, the continent became one of the main theaters of what could be termed a " world war ". The British colonies' position as an integral part of the British Empire became more apparent during the war, with British military and civilian officials becoming a more significant presence in American life. The war increased
8960-465: The January 1863 Emancipation Proclamation , many freed slaves joined the Union army . The war began to turn in the Union's favor following the 1863 Siege of Vicksburg and Battle of Gettysburg , and the Confederacy surrendered in 1865 after the Union's victory in the Battle of Appomattox Court House . The Reconstruction era followed the war. After the assassination of President Abraham Lincoln , Reconstruction Amendments were passed to protect
9100-405: The Philippines Philip Goldberg in Manila on April 28, 2014, preceding a visit by US President Barack Obama with Philippine President Noynoy Aquino that same day. On January 12, 2016, the Philippine Supreme Court upheld the agreement's constitutionality in a 10–4 vote. On July 26, 2016, the Philippine Supreme Court ruled with finality that the agreement is constitutional. Evan S. Medeiros ,
9240-400: The Philippines and the United States government agreed on 5 locations of military bases for the American troops under the EDCA: The implementation of EDCA faced delays during the June 30, 2016 – June 30, 2022, term of president Rodrigo Duterte , who repeatedly expressed his disdain for the United States. However, on January 30, 2019, the United States and the Philippines officially activated
9380-540: The Philippines and the United States." It hands over all operational controls of these "Agreed Locations" to the United States, and allows US forces to pre-position and store defense materiel, equipment, and supplies. The Agreement makes clear that this materiel cannot include nuclear weapons. The EDCA is effective for an initial period of ten years, and thereafter, it shall continue in force automatically unless terminated by either Party by giving one year's written notice through diplomatic channels of its intention to terminate
9520-441: The Philippines is a " major non-NATO ally " of the United States. The US acquired the Philippines from Spain after the Spanish–American War of 1898 and then fought the Philippine–American War against Philippine revolutionaries to secure their rule. After both wars, the Philippines was a territory of the United States from 1898 to 1946 . The United States granted the Philippines independence in 1946. The Mutual Defense Treaty
9660-485: The Philippines to develop their individual and collective capacities to resist armed attack by: improving interoperability of the two country's armed forces, promoting long-term modernization, helping maintain and develop maritime security, and expanding humanitarian assistance in response to natural disasters. The agreement allows for US forces and contractors to operate out of "agreed locations" (see Agreed Locations section below). Although no specific locations are given in
9800-476: The Rocky Mountains, the Yellowstone Caldera , is the continent's largest volcanic feature. In 2021, the United States had 8% of global permanent meadows and pastures and 10% of cropland. With its large size and geographic variety, the United States includes most climate types. East of the 100th meridian , the climate ranges from humid continental in the north to humid subtropical in the south. The western Great Plains are semi-arid . Many mountainous areas of
9940-421: The U.S. and the Philippines. They are structured to maintain and develop the security relationship between the two countries' armed forces through crisis-action planning, enhanced training to conduct counterterrorism operations, and promoting interoperability of the forces. Over the years the exercises have expanded to include other surrounding countries in Southeast Asia . These training exercises have also had
10080-647: The U.S. has become a key ally of Ukraine ; it has also provided the country with significant military equipment and other support in response to Russia's 2022 invasion . The president is the commander-in-chief of the United States Armed Forces and appoints its leaders, the secretary of defense and the Joint Chiefs of Staff . The Department of Defense , which is headquartered at the Pentagon near Washington, D.C., administers five of
10220-661: The U.S. territories." Despite disparate systems of confinement, four main institutions dominate: federal prisons , state prisons , local jails, and juvenile correctional facilities . Federal prisons are run by the Federal Bureau of Prisons and hold people who have been convicted of federal crimes, including pretrial detainees. State prisons, run by the official department of correction of each state, hold sentenced people serving prison time (usually longer than one year) for felony offenses. Local jails are county or municipal facilities that incarcerate defendants prior to trial; they also hold those serving short sentences (typically under
10360-579: The United Kingdom and elsewhere. The International Conference of Rome for the Social Defense Against Anarchists has been identified as the first international conference against terrorism. The first tactical counterterrorist unit was GSG 9 of the German Federal Police , formed in response to the 1972 Munich massacre . Counterterrorist forces expanded with the perceived growing threat of terrorism in
10500-594: The United Kingdom, the United States, and Russia have taken this approach, while Western European states generally do not. Another major method of preemptive neutralization is the interrogation of known or suspected terrorists to obtain information about specific plots, targets, the identity of other terrorists, whether or not the interrogation subjects himself is guilty of terrorist involvement. Sometimes more extreme methods are used to increase suggestibility , such as sleep deprivation or drugs. Such methods may lead captives to offer false information in an attempt to stop
10640-464: The United States and the peaceful transfer of power , respectively. The Louisiana Purchase of 1803 from France nearly doubled the territory of the United States. Lingering issues with Britain remained , leading to the War of 1812 , which was fought to a draw. Spain ceded Florida and its Gulf Coast territory in 1819. In the late 18th century, American settlers began to expand westward , many with
10780-714: The United States entered the Cold War, where geopolitical tensions between the U.S. and the Soviet Union led the two countries to dominate world affairs . The U.S. utilized the policy of containment to limit the USSR's sphere of influence, and prevailed in the Space Race , which culminated with the first crewed Moon landing in 1969. Domestically, the U.S. experienced economic growth , urbanization , and population growth following World War II . The civil rights movement emerged, with Martin Luther King Jr. becoming
10920-666: The United States has operated as a de facto two-party system , though the parties in that system have been different at different times. The two main national parties are presently the Democratic and the Republican . The former is perceived as relatively liberal in its political platform while the latter is perceived as relatively conservative . In the American federal system , sovereign powers are shared between two levels of elected government: national and state. People in
11060-593: The United States in 2001 by the pan-Islamist militant organization al-Qaeda led to the war on terror , and subsequent military interventions in Afghanistan and Iraq . The cultural impact of the attacks was profound and long-lasting. The U.S. housing bubble culminated in 2007 with the Great Recession , the largest economic contraction since the Great Depression. Coming to a head in
11200-656: The United States of America to Spain" to seek assistance in the Revolutionary War effort. The first known public usage is an anonymous essay published in the Williamsburg newspaper, The Virginia Gazette , on April 6, 1776. By June 1776, the "United States of America" appeared in the Articles of Confederation and the Declaration of Independence . The Second Continental Congress adopted
11340-593: The United States, despite the usage of "the Americas " as the totality of North and South America. "The States" is an established colloquial shortening of the name, used particularly from abroad; "stateside" is the corresponding adjective or adverb. The first inhabitants of North America migrated from Siberia across the Bering land bridge about 12,000 years ago; the Clovis culture , which appeared around 11,000 BC,
11480-624: The United States, except Iran , North Korea , and Bhutan . Though Taiwan does not have formal diplomatic relations with the U.S., it maintains close unofficial relations. The United States regularly supplies Taiwan with military equipment to deter potential Chinese aggression. Its geopolitical attention also turned to the Indo-Pacific when the United States joined the Quadrilateral Security Dialogue with Australia, India, and Japan. The United States has
11620-509: The United States. The American prison system is largely heterogenous, with thousands of relatively independent systems operating across federal, state, local, and tribal levels. In 2023, "these systems [held] almost 2 million people in 1,566 state prisons, 98 federal prisons, 3,116 local jails, 1,323 juvenile correctional facilities, 181 immigration detention facilities, and 80 Indian country jails, as well as in military prisons , civil commitment centers, state psychiatric hospitals, and prisons in
11760-449: The above-mentioned Munich massacre. Most counterterrorism strategies involve an increase in policing and domestic intelligence gathering. Central techniques include intercepting communications and location tracking . New technology has expanded the range of military and law enforcement options for intelligence gathering. Many countries increasingly employ facial recognition systems in policing. Domestic intelligence gathering
11900-427: The agreement (Article XII, Sec. 4 of EDCA). While the US forces may exercise operational control, put troops and equipment, construct facilities, and be accommodated in certain agreed locations, the Philippines shall still retain ownership of the agreed locations (Article V, Sec. 1 of EDCA). Importantly, the United States is not allowed to establish any permanent military bases, and must hand over any and all facilities in
12040-539: The appropriate government organizations need to understand the source, motivation, methods of preparation, and tactics of terrorist groups. Good intelligence is at the heart of such preparation, as well as a political and social understanding of any grievances that might be solved. Ideally, one gets information from inside the group, a very difficult challenge for human intelligence operations because operational terrorist cells are often small, with all members known to one another, perhaps even related. Counterintelligence
12180-457: The contiguous United States are in the State of California, about 84 miles (135 km) apart. At an elevation of 20,310 feet (6,190.5 m), Alaska's Denali is the highest peak in the country and continent. Active volcanoes are common throughout Alaska's Alexander and Aleutian Islands , and Hawaii consists of volcanic islands. The supervolcano underlying Yellowstone National Park in
12320-556: The country's GDP. The U.S. has 42% of the world's nuclear weapons —the second-largest share after Russia. The United States has the third-largest combined armed forces in the world, behind the Chinese People's Liberation Army and Indian Armed Forces . The military operates about 800 bases and facilities abroad, and maintains deployments greater than 100 active duty personnel in 25 foreign countries. State defense forces (SDFs) are military units that operate under
12460-469: The country's territory would expand with the admission of new states , rather than the expansion of existing states. The U.S. Constitution was drafted at the 1787 Constitutional Convention to overcome the limitations of the Articles. It went into effect in 1789, creating a federal republic governed by three separate branches that together ensured a system of checks and balances . George Washington
12600-713: The development of self-governance, and the First Great Awakening , a series of Christian revivals , fueled colonial interest in religious liberty . For a century, the American colonists had been providing their own troops and materiel in conflicts with indigenous peoples allied with Britain's colonial rivals , especially France, and the Americans had begun to develop a sense of self-defense and self-reliance separate from Britain. The French and Indian War (1754–1763) took on new significance for all North American colonists after Parliament under William Pitt
12740-414: The dispossession of native inhabitants . As more states were admitted , a North–South division over slavery led to the secession of the Confederate States of America , which fought states remaining in the Union in the 1861–1865 American Civil War . With the victory and preservation of the United States, slavery was abolished nationally . By 1900, the country had established itself as a great power ,
12880-485: The effective inclusion of human rights protection as a crucial element in that cooperation. They argue that international human rights obligations do not stop at borders, and a failure to respect human rights in one state may undermine its effectiveness in the global effort to cooperate to combat terrorism. Some countries see preemptive attacks as a legitimate strategy. This includes capturing, killing, or disabling suspected terrorists before they can mount an attack. Israel,
13020-550: The enduring underlying inequalities which fuel terrorist activity. Causal factors need to be delineated and measures implemented which allow equal access to resources and sustainability for all people. Such activities empower citizens, providing "freedom from fear" and "freedom from want". This can take many forms, including the provision of clean drinking water, education, vaccination programs, provision of food and shelter and protection from violence, military or otherwise. Successful human security campaigns have been characterized by
13160-580: The environment for labor unions to begin to flourish . This period eventually ended with the advent of the Progressive Era , which was characterized by significant reforms. Pro-American elements in Hawaii overthrew the Hawaiian monarchy ; the islands were annexed in 1898. That same year, Puerto Rico , the Philippines , and Guam were ceded to the U.S. by Spain after the latter's defeat in
13300-541: The federal government often applied policies of Indian removal or assimilation . The Trail of Tears (1830–1850) was a U.S. government policy that forcibly removed and displaced most Native Americans living east of the Mississippi River to lands far to the west. These and earlier organized displacements prompted a long series of American Indian Wars west of the Mississippi. The Republic of Texas
13440-726: The first major project under EDCA. Defense Secretary Delfin Lorenzana and US Ambassador Sung Kim led the ribbon-cutting ceremony of a human assistance and disaster relief warehouse at Basa Air Base in the province of Pampanga. In November 2022, the Department of National Defense released a statement saying, "The Department is committed to accelerate the implementation of the Edca by concluding infrastructure enhancement and repair projects, developing new infrastructure projects at existing Edca locations, and exploring new locations that will build
13580-606: The first nuclear weapons and used them against the Japanese cities of Hiroshima and Nagasaki in August 1945, ending the war. The United States was one of the " Four Policemen " who met to plan the post-war world , alongside the United Kingdom , Soviet Union , and China . The U.S. emerged relatively unscathed from the war, with even greater economic power and international political influence . After World War II,
13720-745: The first settlement of the Thirteen Colonies in Virginia in 1607. Clashes with the British Crown over taxation and political representation sparked the American Revolution , with the Second Continental Congress formally declaring independence on July 4, 1776. Following its victory in the 1775–1783 Revolutionary War , the country continued to expand westward across North America , resulting in
13860-462: The first to arrive in the Philippines after Typhoon Haiyan hit the Philippines on November 8, 2013. At the immediate request of the Philippine government , US and international relief agencies arrived three days after the storm to provide aid and assistance to the thousands of injured and homeless. The United States government provided over $ 37 million in aid. According to Ambassador Goldberg,
14000-575: The form of options that can be exercised in the future when new information is available. While some countries with longstanding terrorism problems have law enforcement agencies primarily designed to prevent and respond to terror attacks, in other nations, counterterrorism is a relatively more recent objective of law enforcement agencies. Though some civil libertarians and criminal justice scholars have criticized efforts of law enforcement agencies to combat terrorism as futile and expensive or as threats to civil liberties, other scholars have analyzed
14140-415: The goal of the EDCA is to "promote peace and security in the region." While outlining new defense-cooperation measures, the agreement also allows for the United States to respond more quickly to environmental and humanitarian disasters in the region. Designed to supplement the 1951 Mutual Defense Treaty and the 1999 Visiting Forces Agreement, the EDCA reaffirms mutual cooperation between the United States and
14280-419: The governments of the Philippines and the United States in 1998, and came into effect in 1999. This was the first military agreement since the closing of US bases in 1992. The VFA outlined a set of guidelines for the conduct and protection of American troops visiting the Philippines. The Agreement also stipulated the terms and conditions for American military to pass through or land in Philippine territory. The VFA
14420-399: The infrastructure improvements or become potential targets of Chinese nuclear attack. Former President Duterte expressed doubts that "America will die for us [Filipinos]"; he added Americans "have so many ships, so you [they] do not need my island as a launching pad". United States The United States of America ( USA ), commonly known as the United States ( U.S. ) or America , is
14560-463: The integration of Army National Guard units and personnel into the U.S. Army and (since 1947) the U.S. Air Force. There are about 18,000 U.S. police agencies from local to national level in the United States. Law in the United States is mainly enforced by local police departments and sheriff departments in their municipal or county jurisdictions. The state police departments have authority in their respective state , and federal agencies such as
14700-621: The late 20th century. After the September 11 attacks , Western governments made counterterrorism efforts a priority. This included more extensive collaboration with foreign governments, shifting tactics involving red teams , and preventive measures. Although terrorist attacks affecting Western countries generally receive a disproportionately large share of media attention, most terrorism occurs in less developed countries. Government responses to terrorism, in some cases, tend to lead to substantial unintended consequences, such as what occurred in
14840-635: The local level. Emergency medical services are capable of triaging, treating, and transporting the more severely affected individuals to hospitals, which typically have mass casualty and triage plans in place for terrorist attacks. Public health agencies , from local to the national level, may be designated to deal with identification, and sometimes mitigation, of possible biological attacks, and sometimes chemical or radiological contamination. Many countries have dedicated counterterrorist units trained to handle terrorist threats. Besides various security agencies , there are police tactical units whose role
14980-477: The long run (e.g., the French doctrine used in colonial Indochina and Algeria ), particularly if it is not accompanied by other measures. However, new methods such as those taken in Iraq have yet to be seen as beneficial or ineffectual. Whatever the target of terrorists, there are multiple ways of hardening the targets to prevent the terrorists from hitting their mark, or reducing the damage of attacks. One method
15120-544: The main body of the initial Agreement, they are defined as: "facilities and areas that are provided by the Government of the Philippines through the Armed Forces of the Philippines (AFP) and that United States forces, United States contractors, and others as mutually agreed, shall have the right to access and use pursuant to this Agreement". The Agreement "codifies the conditions of limited military cooperation between
15260-482: The military draft (leading to the end of conscription in 1973) and wide opposition to U.S. intervention in Vietnam (with the U.S. totally withdrawing in 1975). A societal shift in the roles of women was significantly responsible for the large increase in female paid labor participation during the 1970s, and by 1985 the majority of American women aged 16 and older were employed. The late 1980s and early 1990s saw
15400-453: The mission with minimal casualties. The units include assault teams, snipers , EOD experts, dog handlers, and intelligence officers. Most of these measures deal with terrorist attacks that affect an area or threaten to do so, or are lengthy situations such as shootouts and hostage takings that allow the counterterrorist units to assemble and respond; it is harder to deal with shorter incidents such as assassinations or reprisal attacks, due to
15540-612: The most attractive to the population are the most vulnerable. The U.S. is one of 17 megadiverse countries containing large numbers of endemic species : about 17,000 species of vascular plants occur in the contiguous United States and Alaska, and over 1,800 species of flowering plants are found in Hawaii, few of which occur on the mainland. The United States is home to 428 mammal species, 784 birds, 311 reptiles, 295 amphibians , and around 91,000 insect species. There are 63 national parks , and hundreds of other federally managed parks, forests, and wilderness areas , managed by
15680-585: The most important dimensions of the policing of terrorism as an important dimension of counter-terrorism, especially in the post-9/11 era, and have discussed how police view terrorism as a matter of crime control. Such analyses highlight the civilian police role in counterterrorism next to the military model of a war on terror . Pursuant to passage of the Homeland Security Act of 2002 , federal, state, and local law enforcement agencies began to systemically reorganize. Two primary federal agencies,
15820-662: The most violent, the California genocide of thousands of Native inhabitants, lasted into the early 1870s, just as additional western territories and states were created. During the colonial period, slavery had been legal in the American colonies , though the practice began to be significantly questioned during the American Revolution. States in the North enacted abolition laws , though support for slavery strengthened in Southern states , as inventions such as
15960-411: The participation of a diverse group of actors, including governments, NGOs , and citizens. Foreign internal defense programs provide outside expert assistance to a threatened government. FID can involve both non-military and military aspects of counterterrorism. A 2017 study found that "governance and civil society aid is effective in dampening domestic terrorism, but this effect is only present if
16100-408: The policy of redlining later adopted by the federal Home Owners' Loan Corporation . An explosion of technological advancement accompanied by the exploitation of cheap immigrant labor led to rapid economic expansion during the late 19th and early 20th centuries , allowing the United States to outpace the economies of England, France, and Germany combined. This fostered the amassing of power by
16240-421: The practices, military tactics , techniques, and strategies that governments, law enforcement , businesses, and intelligence agencies use to combat or eliminate terrorism . If an act of terrorism occurs as part of a broader insurgency (and insurgency is included in the definition of terrorism ) then counterterrorism may additionally employ counterinsurgency measures. The United States Armed Forces uses
16380-574: The primary colonial grievances was a denial of their rights as Englishmen , particularly the right to representation in the British government that taxed them . To demonstrate their dissatisfaction and resolve, the First Continental Congress met in 1774 and passed the Continental Association , a colonial boycott of British goods that proved effective. The British attempt to then disarm the colonists resulted in
16520-413: The recipient country is not experiencing a civil conflict." Terrorism has often been used to justify military intervention in countries where terrorists are said to be based. Similar justifications were used for the U.S. invasion of Afghanistan and the second Russian invasion of Chechnya . Military intervention has not always been successful in stopping or preventing future terrorism, such as during
16660-515: The rights of African Americans . National infrastructure, including transcontinental telegraph and railroads , spurred growth in the American frontier . From 1865 through 1917 an unprecedented stream of immigrants arrived in the United States, including 24.4 million from Europe. Most came through the port of New York City , and New York City and other large cities on the East Coast became home to large Jewish , Irish , and Italian populations, while many Germans and Central Europeans moved to
16800-614: The rocky Great Basin and Chihuahua , Sonoran , and Mojave deserts. In the northwest corner of Arizona , carved by the Colorado River over millions of years, is the Grand Canyon , a steep-sided canyon and popular tourist destination known for its overwhelming visual size and intricate, colorful landscape. The Sierra Nevada and Cascade mountain ranges run close to the Pacific coast . The lowest and highest points in
16940-550: The rule of law. We recommend: (1) taking effective measures to make impunity impossible either for acts of terrorism or for the abuse of human rights in counter-terrorism measures. (2) the incorporation of human rights laws in all anti-terrorism programs and policies of national governments as well as international bodies." While international efforts to combat terrorism have focused on the need to enhance cooperation between states, proponents of human rights (as well as human security ) have suggested that more effort needs to be given to
17080-518: The short warning time and the quick exfiltration of the assassins. The majority of counterterrorism operations at the tactical level are conducted by state, federal, and national law enforcement or intelligence agencies . In some countries, the military may be called in as a last resort. For countries whose military is legally permitted to conduct domestic law enforcement operations, this is not an issue, and such counterterrorism operations are conducted by their military. Some counterterrorist actions of
17220-515: The six service branches, which are made up of the U.S. Army , Marine Corps , Navy , Air Force , and Space Force . The Coast Guard is administered by the Department of Homeland Security in peacetime and can be transferred to the Department of the Navy in wartime. The United States spent $ 916 billion on its military in 2023, which is by far the largest amount of any country , making up 37% of global military spending and accounting for 3.4% of
17360-545: The sole authority of a state government. SDFs are authorized by state and federal law but are under the command of the state's governor . They are distinct from the state's National Guard units in that they cannot become federalized entities. A state's National Guard personnel, however, may be federalized under the National Defense Act Amendments of 1933 , which created the Guard and provides for
17500-543: The states are also represented by local elected governments , which are administrative divisions of the states. States are subdivided into counties or county equivalents , and further divided into municipalities . The District of Columbia is a federal district containing the U.S. capital, Washington, D.C. . The federal district is an administrative division of the federal government. Federally recognized tribes govern 326 Indian reservations . The United States has an established structure of foreign relations, and it has
17640-510: The structure and responsibilities of the national federal government and its relationship with the individual states. The U.S. Constitution is the world's oldest national constitution still in effect (from March 4, 1789). Composed of three branches, all headquartered in Washington, D.C., the federal government is the national government of the United States. It is regulated by a strong system of checks and balances . The three-branch system
17780-475: The swine products. For a threatened or completed terrorist attack, an Incident Command System (ICS) may be invoked to control the various services that may need to be involved in the response. ICS has varied levels of escalation, such as might be required for multiple incidents in a given area (e.g. 2005 London bombings or the 2004 Madrid train bombings ), or all the way to a National Response Plan invocation if national-level resources are needed. For example,
17920-719: The term " foreign internal defense " for programs that support other countries' attempts to suppress insurgency, lawlessness , or subversion , or to reduce the conditions under which threats to national security may develop. The first counterterrorism body to be formed was the Special Irish Branch of the Metropolitan Police , later renamed the Special Branch after it expanded its scope beyond its original focus on Fenian terrorism. Various law enforcement agencies established similar units in
18060-625: The transfer, return and extradition of people between or within countries; and the adoption of security measures that restrain the rights or freedoms of citizens and breach principles of non-discrimination. Examples include: Many argue that such violations of rights could exacerbate rather than counter the terrorist threat. Human rights activists argue for the crucial role of human rights protection as an intrinsic part to fight against terrorism. This suggests, as proponents of human security have long argued, that respecting human rights may indeed help us to incur security. Amnesty International included
18200-603: The treatment, or due to the confusion caused by it. In 1978 the European Court of Human Rights ruled in the Ireland v. United Kingdom case that such methods amounted to a practice of inhuman and degrading treatment , and that such practices were in breach of the European Convention on Human Rights Article 3 (art. 3). The human security paradigm outlines a non-military approach that aims to address
18340-582: The world's fourth-longest river system , runs predominantly north–south through the heart of the country. The flat and fertile prairie of the Great Plains stretches to the west, interrupted by a highland region in the southeast. The Rocky Mountains , west of the Great Plains, extend north to south across the country, peaking at over 14,000 feet (4,300 m) in Colorado . Farther west are
18480-583: The world's second-largest diplomatic corps as of 2024 . It is a permanent member of the United Nations Security Council , and home to the United Nations headquarters . The United States is a member of the G7 , G20 , and OECD intergovernmental organizations. Almost all countries have embassies and many have consulates (official representatives) in the country. Likewise, nearly all countries host formal diplomatic missions with
18620-461: The world's third-largest land area , largest exclusive economic zone , and third-largest population , exceeding 334 million. Its three largest metropolitan areas are New York , Los Angeles , and Chicago , and its three most populous states are California , Texas , and Florida . Paleo-Indians migrated across the Bering land bridge more than 12,000 years ago, and formed various civilizations and societies . British colonization led to
18760-444: The world's oldest surviving federation, and its presidential system of national government has been adopted, in whole or in part, by many newly independent states worldwide following their decolonization . It is a liberal representative democracy "in which majority rule is tempered by minority rights protected by law ". The Constitution of the United States serves as the country's supreme legal document , also establishing
18900-553: The world's tornadoes occur in the country , mainly in Tornado Alley . Overall, the United States receives more high-impact extreme weather incidents than any other country. Extreme weather became more frequent in the U.S. in the 21st century, with three times the number of reported heat waves as in the 1960s. In the American Southwest , droughts became more persistent and more severe. The regions considered as
19040-518: The world, with almost 2 million people incarcerated . An analysis of the World Health Organization Mortality Database from 2010 showed U.S. homicide rates "were 7 times higher than in other high-income countries, driven by a gun homicide rate that was 25 times higher". Counterterrorism Counterterrorism (alternatively spelled: counter-terrorism ), also known as anti-terrorism , relates to
19180-575: Was annexed in 1845, and the 1846 Oregon Treaty led to U.S. control of the present-day American Northwest . Victory in the Mexican–American War resulted in the 1848 Mexican Cession of California, Nevada, Utah, and much of present-day Colorado and the American Southwest . The California gold rush of 1848–1849 spurred a huge migration of white settlers to the Pacific coast, leading to even more confrontations with Native populations. One of
19320-759: Was adopted on July 4, 1776. The political values of the American Revolution included liberty , inalienable individual rights ; and the sovereignty of the people ; supporting republicanism and rejecting monarchy , aristocracy , and all hereditary political power; civic virtue ; and vilification of political corruption . The Founding Fathers of the United States , who included Washington, Jefferson, John Adams , Benjamin Franklin , Alexander Hamilton , John Jay , James Madison , Thomas Paine , and many others, were inspired by Greco-Roman , Renaissance , and Enlightenment philosophies and ideas. The Articles of Confederation were ratified in 1781 and established
19460-583: Was elected the country's first president under the Constitution, and the Bill of Rights was adopted in 1791 to allay skeptics' concerns about the power of the more centralized government. His resignation as commander-in-chief after the Revolutionary War and his later refusal to run for a third term as the country's first president established a precedent for the supremacy of civil authority in
19600-469: Was signed in 1951 and ratified in 1952 by the governments of the United States and the Philippines. The purpose of the Treaty was to "strengthen the fabric of peace" in the Pacific, by formally adopting an agreement to defend each other's territory in the case of external attack. In line with this treaty, the United States maintained several military bases in the Philippines, including Subic Bay Naval Base and
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