133-519: The California Silk Center Association was a short-lived 19th century company in the U.S. state of California which encouraged silk culture. It founded what is now the city of Riverside, California . The association was established in November 1869 in Los Angeles , but after the death of its president and only expert in sericulture , Frenchman Louis Provost, in 1870, the silk-growing scheme
266-473: A Caliph) on their way to Guerrero, Mexico where they played a future role in the wars of independence . Sebastián Vizcaíno explored and mapped the coast of California in 1602 for New Spain , putting ashore in Monterey . Despite the on-the-ground explorations of California in the 16th century, Rodríguez's idea of California as an island persisted. Such depictions appeared on many European maps well into
399-459: A Spanish navigator." The name most likely derived from the mythical island of California in the fictional story of Queen Calafia , as recorded in a 1510 work The Adventures of Esplandián by Garci Rodríguez de Montalvo . Queen Calafia's kingdom was said to be a remote land rich in gold and pearls, inhabited by beautiful Black women who wore gold armor and lived like Amazons , as well as griffins and other strange beasts. Abbreviations of
532-736: A U.S.–Mexico border shutdown could be expected following the COVID-19 public health emergency. According to HRW, the new rule introduced by the CDC overlooks the fact that the U.S. is obligated to protect refugees from return to conditions threatening prosecution, as per treaties. President Joe Biden's border executive plan as the COVID-19 restrictions – known as Title 42 – expired in May 2023. Under Title 42, which had been in effect since March 2020, many border crossers have been quickly deported to Mexico without
665-412: A bounty of $ 250 for every plantation of 5,000 mulberry trees two years old, and one of $ 300 for every 100,000 merchantable cocoons produced. This greatly encouraged the planting of trees and the production of cocoons. The California Silk Center Association was formed with a large capital on paper. The association bought 4,000 acres (1,600 ha) which now form part of Riverside . It was the intention of
798-494: A check for VEE. APHIS imposes similar testing and certification requirements on horses from other parts of the world but without the quarantine for VEE. These horses are held in quarantine—usually three days—or until tests are completed. Because the disease equine piroplasmosis (equine babesiosis ) is endemic in Mexico but not established in the U.S., transportation of horses from Mexico to the U.S. requires evaluation of horses for
931-598: A commodity until the 1849 California Gold Rush . From the 1820s, trappers and settlers from the United States and Canada began to arrive in Northern California. These new arrivals used the Siskiyou Trail , California Trail , Oregon Trail and Old Spanish Trail to cross the rugged mountains and harsh deserts in and surrounding California. The early government of the newly independent Mexico
1064-576: A free state, the "loitering or orphaned Indians", were de facto enslaved by their new Anglo-American masters under the 1850 Act for the Government and Protection of Indians . One of these de facto slave auctions was approved by the Los Angeles City Council and occurred for nearly twenty years. There were many massacres in which hundreds of indigenous people were killed by settlers for their land. Between 1850 and 1860,
1197-459: A locked and crowded detention center cell in northern Mexico, with motives ranging from pending deportation to overcrowding and lack of access to drinking water. The border separating Mexico and the U.S. is the most frequently crossed international boundary in the world, with approximately 350 million legal crossings taking place annually. Border crossings take place by roads, pedestrian walkways, railroads and ferries. From west to east, below
1330-624: A modest home which in the 1960s cost $ 25,000 would cost half a million dollars or more in urban areas by 2005. More people commuted longer hours to afford a home in more rural areas while earning larger salaries in the urban areas. Speculators bought houses, expecting to make a huge profit in months, then rolling it over by buying more properties. Mortgage companies were compliant, as people assumed prices would keep rising. The bubble burst in 2007–8 as prices began to crash. Hundreds of billions in property values vanished and foreclosures soared, as financial institutions and investors were badly hurt. In
1463-457: A negative image. There are around 11.5 million undocumented workers in the U.S. today, and 87% of undocumented immigrants have been living in the U.S. for more than 7 years. Local economies that develop on the Mexican side capitalize not only on available skills but also on available, usually discarded, materials. Small businesses trade in clothes that are purchased by the pound and cardboard from
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#17327805911431596-426: A negative test for EIA. Horses from Mexico must have a health certificate; pass negative tests for EIA, dourine, glanders, and EP at a USDA import center; and undergo precautionary treatments for external parasites at the port of entry. Horses from other Western Hemisphere countries must have the same tests as those from Mexico and, except for horses from Argentina , must be held in quarantine for at least seven days as
1729-469: A part of Mexico. In 1846, the total settler population of the western part of the old Alta California had been estimated to be no more than 8,000, plus about 100,000 Native Americans, down from about 300,000 before Hispanic settlement in 1769. In 1848, only one week before the official American annexation of the area, gold was discovered in California, this being an event which was to forever alter both
1862-544: A point 32 km (20 mi) south of the Gila River confluence. The border then follows a series of lines and parallels totaling 859 km (534 mi). First, it follows a straight line from the Colorado River to the intersection of the 31° 20′ parallel north and the 111th meridian west . It then proceeds eastwards along the 31° 20′ parallel north up to a meridian 161 km (100 mi) west of
1995-503: A result, the effect funneled more immigrants to their death even with the assistance of coyotes (smugglers). Not only has this approach caused fatalities throughout the U.S.–Mexico border, but it has even stirred up a nuisance for documented immigrants and American citizens. There has been general concern about the Border Patrol and other agencies abusing their authority by racial profiling and conducting unwarranted searches outside
2128-748: A short break in 1862 when legislative sessions were held in San Francisco due to flooding in Sacramento . Once the state's Constitutional Convention had finalized its state constitution, it applied to the U.S. Congress for admission to statehood . On September 9, 1850, as part of the Compromise of 1850 , California became a free state and September 9 a state holiday . During the American Civil War (1861–1865), California sent gold shipments eastward to Washington in support of
2261-612: A state Constitutional Convention was first held in Monterey. Among the first tasks of the convention was a decision on a location for the new state capital. The first full legislative sessions were held in San Jose (1850–1851). Subsequent locations included Vallejo (1852–1853), and nearby Benicia (1853–1854); these locations eventually proved to be inadequate as well. The capital has been located in Sacramento since 1854 with only
2394-474: A valid Merchant Mariner Document when traveling in conjunction with official maritime business; or a valid U.S. military identification card when traveling on official orders. In August 2015, Mexico began enforcing a rule that all foreign citizens that plan to stay in the country for more than seven days or are travelling on business will have to pay a 330 pesos ($ 21) fee and show their passport. When animals are imported from one country to another, there
2527-621: Is Sacramento . The state's diverse geography ranges from the Pacific Coast and metropolitan areas in the west to the Sierra Nevada mountains in the east, and from the redwood and Douglas fir forests in the northwest to the Mojave Desert in the southeast. Two-thirds of the nation's earthquake risk lies in California. The Central Valley , a fertile agricultural area, dominates the state's center. The large size of
2660-787: Is a state in the Western United States , lying on the American Pacific Coast . It borders Oregon to the north, Nevada and Arizona to the east, and shares an international border with the Mexican state of Baja California to the south. With nearly 39 million residents across an area of 163,696 square miles (423,970 km ), it is the most populous U.S. state, the third-largest by area, and most populated subnational entity in North America . Prior to European colonization , California
2793-462: Is a list of the border city "twinnings"; cross-border municipalities connected by one or more legal border crossings. The total population of the borderlands—defined as those counties and municipios lining the border on either side—stands at some 12 million people. The San Ysidro Port of Entry is located between San Ysidro, California and Tijuana, Baja California . Approximately 50,000 vehicles and 25,000 pedestrians use this entry daily. In
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#17327805911432926-600: Is an international border separating Mexico and the United States , extending from the Pacific Ocean in the west to the Gulf of Mexico in the east. The border traverses a variety of terrains, ranging from urban areas to deserts. It is the most frequently crossed border in the world with approximately 350 million documented crossings annually. Illegal crossing of the border to enter the United States has caused
3059-469: Is by the means of "prevention through deterrence". Its primary goal is to completely prevent undocumented immigrants from entering the U.S. from Mexico rather than apprehending the unauthorized who are already in the country. As assertive as it was, "prevention through deterrence" was arguably unsuccessful, with a doubling in size of undocumented immigrants population during the two decades leading up to 2014. In order to effectively enforce border protection,
3192-512: Is not strange that the sericulture craze became epidemic. Mulberry plantations multiplied until the bounties paid threatened the state treasury with bankruptcy; in 1867 or 1868, the law was repealed. Out of the hundreds of thousands of bounty-bought cocoons, only one piece of silk was known to be manufactured, and that was a flag for the State Capitol . Counting bounties paid and labor lost on a non-producing industry, indirectly that flag cost
3325-484: Is paralleled by U.S. Border Patrol interior checkpoints on major roads generally between 40 and 121 km (25 and 75 mi) from the U.S. side of the border, and garitas generally within 50 km (31 mi) of the border on the Mexican side. There are an estimated half a million illegal entries into the U.S. each year. Border Patrol activity is concentrated around border cities such as San Diego and El Paso which have extensive border fencing. This means that
3458-581: Is recommended. Animals crossing the U.S.–Mexico border may have a country of origin other than the country where they present for inspection. Such animals include those from the U.S. that cross to Mexico and return, and animals from other countries that travel overland through Mexico or the U.S. before crossing the border. APHIS imposes precautions to keep out several equine diseases, including glanders , dourine , equine infectious anemia , equine piroplasmosis , Venezuelan equine encephalitis , and contagious equine metritis . APHIS also checks horses to prevent
3591-526: Is the home of Hollywood , the oldest and one of the largest film industries in the world, profoundly influencing global entertainment. The San Francisco Bay and the Greater Los Angeles areas are seen as the centers of the global technology and U.S. film industries, respectively. The Spaniards gave the name Las Californias to the peninsula of Baja California (in modern-day Mexico). As Spanish explorers and settlers moved north and inland,
3724-526: Is the possibility that diseases and parasites can move with them. Thus, most countries impose animal health regulations on the import of animals. Most animals imported to the U.S. must be accompanied by import permits obtained in advance from the U.S. Department of Agriculture 's Animal and Plant Health Inspection Service (APHIS) and/or health certification papers from the country of origin. Veterinary inspections are often required, and are available only at designated ports; advance contact with port veterinarians
3857-553: Is today California , Arizona , New Mexico , Utah , Nevada and parts of what is Colorado , Wyoming , Kansas , and Oklahoma . In addition, all disputes over Texas and the disputed territory between Rio Grande and Rio Nueces were abandoned. Five years later, the Gadsden Purchase completed the creation of the current U.S.–Mexico border. The purchase was initially to accommodate a planned railway right-of-way . These purchases left approximately 300,000 people living in
3990-504: The Battle of Providencia near Los Angeles, he convinced each side that they had no reason to be fighting each other. As a result of Marsh's actions, they abandoned the fight, Micheltorena was defeated, and California-born Pio Pico was returned to the governorship. This paved the way to California's ultimate acquisition by the United States. In 1846, a group of American settlers in and around Sonoma rebelled against Mexican rule during
4123-652: The Bear Flag Revolt . Afterward, rebels raised the Bear Flag (featuring a bear, a star, a red stripe and the words "California Republic") at Sonoma. The Republic's only president was William B. Ide , who played a pivotal role during the Bear Flag Revolt. This revolt by American settlers served as a prelude to the later American military invasion of California and was closely coordinated with nearby American military commanders. The California Republic
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4256-715: The California Master Plan for Higher Education in 1960 to develop an efficient system of public education. Meanwhile, attracted to the mild Mediterranean climate, cheap land, and the state's variety of geography, filmmakers established the studio system in Hollywood in the 1920s. California manufactured 9% of US armaments produced during World War II , ranking third behind New York and Michigan . California easily ranked first in production of military ships at drydock facilities in San Diego, Los Angeles, and
4389-534: The Chihuahuan and Sonoran deserts to the Colorado River Delta and San Diego–Tijuana , before reaching the Pacific Ocean. The Mexico–United States border extends 3,145 kilometers (1,954 miles), in addition to the maritime boundaries of 29 km (18 mi) into the Pacific Ocean and 19 km (12 mi) into the Gulf of Mexico . It is the tenth-longest border between two countries in
4522-471: The Customs and Border Protection , specifically the Border Patrol, 600 million dollars to implement and improve security. The U.S. government has invested many millions of dollars on border security , although this has not stopped undocumented immigration in the U.S. In June 2018, the U.S. government announced installation of facial recognition system for monitoring immigrant activities. The Border Patrol
4655-574: The Government Accountability Office released a report stating that the U.S. Border Patrol intercepted 61% of individuals illegally crossing the border in 2011, which translates to 208,813 individuals not apprehended. 85,827 of the 208,813 would go on to illegally enter the U.S., while the rest returned to Mexico and other Central American countries. The report also shows that the number of illegal border crossings has dropped. The apprehensions per (fiscal) year are shown in
4788-511: The Graham Affair , which was resolved in part with the intercession of Royal Navy officials. One of the largest ranchers in California was John Marsh . After failing to obtain justice against squatters on his land from the Mexican courts, he determined that California should become part of the United States. Marsh conducted a letter-writing campaign espousing the California climate, the soil, and other reasons to settle there, as well as
4921-553: The Indigenous people of California had not yet developed a natural immunity. Under its new American administration, California's first governor Peter Hardeman Burnett instituted policies that have been described as a state-sanctioned policy of elimination of California's indigenous people. Burnett announced in 1851 in his Second Annual Message to the Legislature: "That a war of extermination will continue to be waged between
5054-470: The Mexico–United States border crisis . It is one of two international borders that the United States has, the other being the northern Canada–United States border ; Mexico has two other borders: with Belize and with Guatemala . Four American states border Mexico: California , Arizona , New Mexico and Texas . One definition of Northern Mexico includes only the six Mexican states that border
5187-616: The Presidio of San Diego , the first religious and military settlements founded by the Spanish in California. By the end of the expedition in 1770, they would establish the Presidio of Monterey and Mission San Carlos Borromeo de Carmelo on Monterey Bay. After the Portolà expedition, Spanish missionaries led by Father-President Serra set out to establish 21 Spanish missions of California along El Camino Real ("The Royal Road") and along
5320-774: The Route 66 . From 1900 to 1965, the population grew from fewer than one million to the greatest in the Union. In 1940, the Census Bureau reported California's population as 6% Hispanic, 2.4% Asian, and 90% non-Hispanic white. To meet the population's needs, engineering feats like the California and Los Angeles Aqueducts ; the Oroville and Shasta Dams ; and the Bay and Golden Gate Bridges were built. The state government adopted
5453-527: The Treaty of Guadalupe Hidalgo (February 2, 1848) that ended the war, the westernmost portion of the annexed Mexican territory of Alta California soon became the American state of California, and the remainder of the old territory was then subdivided into the new American Territories of Arizona, Nevada, Colorado and Utah . The even more lightly populated and arid lower region of old Baja California remained as
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5586-673: The coast of California were the members of a Spanish maritime expedition led by Portuguese captain Juan Rodríguez Cabrillo in 1542. Cabrillo was commissioned by Antonio de Mendoza , the Viceroy of New Spain , to lead an expedition up the Pacific coast in search of trade opportunities; they entered San Diego Bay on September 28, 1542, and reached at least as far north as San Miguel Island . Privateer and explorer Francis Drake explored and claimed an undefined portion of
5719-513: The 18th century. The Portolá expedition of 1769–70 was a pivotal event in the Spanish colonization of California, resulting in the establishment of numerous missions, presidios , and pueblos . The military and civil contingent of the expedition was led by Gaspar de Portolá , who traveled over land from Sonora into California, while the religious component was headed by Junípero Serra , who came by sea from Baja California . In 1769, Portolá and Serra established Mission San Diego de Alcalá and
5852-491: The 1992 Rodney King riots. California was the hub of the Black Panther Party , known for arming African Americans to defend against racial injustice. Mexican, Filipino, and other migrant farm workers rallied in the state around Cesar Chavez for better pay in the 1960s and 70s. During the 20th century, two great disasters happened: the 1906 San Francisco earthquake and 1928 St. Francis Dam flood remain
5985-403: The 21st century, droughts and frequent wildfires attributed to climate change have occurred. From 2011 to 2017, a persistent drought was the worst in its recorded history. The 2018 wildfire season was the state's deadliest and most destructive. One of the first confirmed COVID-19 cases in the United States occurred in California on January 26, 2020. A state of emergency was declared in
6118-522: The California coast in 1579, landing north of the future city of San Francisco . The first Asians to set foot on what would be the United States occurred in 1587, when Filipino sailors arrived in Spanish ships at Morro Bay . Coincidentally the descendants of the Muslim Caliph Hasan ibn Ali in formerly Islamic Manila and had converted, then mixed Christianity with Islam, upon Spanish conquest, transited through California (Named after
6251-526: The California coast, 16 sites of which having been chosen during the Portolá expedition. Numerous major cities in California grew out of missions, including San Francisco ( Mission San Francisco de Asís ), San Diego ( Mission San Diego de Alcalá ), Ventura ( Mission San Buenaventura ), or Santa Barbara ( Mission Santa Barbara ), among others. Juan Bautista de Anza led a similarly important expedition throughout California in 1775–76, which would extend deeper into
6384-534: The California government in 2022. These groups were also diverse in their political organization, with bands, tribes, villages, and, on the resource-rich coasts, large chiefdoms , such as the Chumash , Pomo and Salinan . Trade, intermarriage, craft specialists, and military alliances fostered social and economic relationships between many groups. Although nations would sometimes war, most armed conflicts were between groups of men for vengeance . Acquiring territory
6517-443: The California state government paid around 1.5 million dollars (some 250,000 of which was reimbursed by the federal government) to hire militias with the stated purpose of protecting settlers, however these militias perpetrated numerous massacres of indigenous people. Indigenous people were also forcibly moved to reservations and rancherias, which were often small and isolated and without enough natural resources or funding from
6650-625: The El Paso-Juarez area, in effect transferring the land to the U.S.. By a treaty negotiated in 1963, Mexico regained most of this land in what became known as the Chamizal dispute and transferred 1.07 km (260 acres) in return to the U.S. Border treaties are jointly administered by the International Boundary and Water Commission (IBWC), which was established in 1889 to maintain the border, allocate river waters between
6783-761: The Line in El Paso ; Operation Rio Grande in McAllen ; Operation Safeguard in Tucson ; and the Arizona Border Control Initiative along the Arizona border. According to Vulliamy, one in five Mexican nationals will visit or work in the U.S. at one point in their lifetime. As of 2010, the border is guarded by more than 20,000 Border Patrol agents, more than at any time in its history. The border
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#17327805911436916-405: The Mexican economy overall, 25% of it in the border regions. The U.S. Immigration Act of 1891 authorized the implementation of inspection stations at ports of entry along the Mexican and Canadian borders. The U.S. Immigration Act of 1917 required the passing of a literacy test and a head tax by Mexicans wanting to enter the U.S. legally; however, during World War I , when labor shortages grew,
7049-459: The Rio Grande under the 1905 convention, which occurred on 37 different dates from 1910 to 1976, the transferred land was small (ranging from one to 646 acres) and uninhabited. The Rio Grande Rectification Treaty of 1933 straightened and stabilized the river boundary through the highly developed El Paso-Juárez valley. Numerous parcels of land were transferred between the two countries during
7182-624: The San Francisco Bay Area. Due to the hiring opportunities California offered during the conflict, the population multiplied from the immigration it received due to the work in its war factories, military bases, and training facilities. After World War II, California's economy expanded due to strong aerospace and defense industries, whose size decreased following the end of the Cold War . Stanford University began encouraging faculty and graduates to stay instead of leaving
7315-579: The State." Prevost died in April 1870. With the increased supply, the price of eggs declined until it was all supply and no demand. Then the seri-culture epidemic came to as sudden a stop. The worms died of starvation and the bounty-bought mulberry plantations perished from neglect. Of the millions of trees planted, all died. The Silk Center Association sold its land holding to Judge John W. North 's Riverside Colony. The experiment failed, but not because California
7448-423: The U.S. Federal Bureau of Investigation to monitor suspicious activities and potential violence at the border. Within 10 years, frequent provocations caused border towns to transform into battlefields, which intensified transborder restrictions, brought federal soldiers to patrol the border, and caused the construction of fences and barriers between border towns. When the battles concluded, restrictions for crossing
7581-497: The U.S. Army. In the 20th century, thousands of Japanese people migrated to California. The state in 1913 passed the Alien Land Act , excluding Asian immigrants from owning land. During World War II, Japanese Americans in California were interned in concentration camps; in 2020, California apologized. Migration to California accelerated during the early 20th century with the completion of transcontinental highways like
7714-466: The U.S. Some items, like the used tires found everywhere along the border, are made into certain items that support local economies and define a border. The Secure Fence Act of 2006 was passed providing for the construction of 1,127 km (700 mi) of high-security fencing. Attempts to complete the construction of the Mexico–United States barrier have been challenged by the Mexican government and various U.S.–based organizations. In January 2013,
7847-413: The U.S. and the Mexican government's support for financial investments from the U.S. Railroads were built that connected the northern Mexican states more to the U.S. than to Mexico, and the population grew tremendously. The mining industry also developed, as did the U.S.'s control of it. By the early 20th century companies from the U.S. controlled 81% of the mining industry and had invested US$ 500 million in
7980-568: The U.S. by air: a valid passport ; a passport card ; a state enhanced driver's license or state enhanced non-driver ID card (available in Michigan , New York , Vermont , and Washington ) approved by the Secretary of Homeland Security; a trusted traveler program card ( Global Entry , NEXUS , FAST , or SENTRI ); an enhanced tribal identification card; a Native American Tribal Photo Identification Card; Form I-872 – American Indian Card;
8113-404: The U.S. ceded 6 islands in the Rio Grande to Mexico. At the same time, Mexico ceded 3 islands and 2 bancos to the U.S. This transfer, which had been pending for 20 years, was the first application of Article III of the 1970 Boundary Treaty. On March 27, 2023, at least 38 detained migrants (mostly from Central America) were killed—and dozens more injured—in a fire started in protest inside
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#17327805911438246-401: The U.S. settled all outstanding boundary disputes and uncertainties related to the Rio Grande border. The U.S. states along the border, from west to east, are California , Arizona , New Mexico , and Texas . The Mexican states along the border are Baja California , Sonora , Chihuahua , Coahuila , Nuevo León , and Tamaulipas . Among the U.S. states, Texas has the longest stretch of
8379-429: The U.S. was between 1909 and 1911 in California, the first barrier built by Mexico was likely in 1918; barriers were extended in the 1920s and 1940s. The Banco Convention of 1905 between the U.S. and Mexico allowed, in the event of sudden changes in the course of the Rio Grande (as by flooding), for the border to be altered to follow the new course. The sudden changes often created bancos (land surrounded by bends in
8512-412: The U.S.' policies and regulations have looked to make border crossings more hazardous through the implementation of various operations, one of those being the "funnel effect". The tactic was meant to discourage migration from Mexico into the U.S. by forcing migrants to travel further around barriers where the terrain and weather are more risky, but the strategy was not as successful as initially planned. As
8645-440: The U.S., I-5 crosses directly to Tijuana, and the highway's southern terminus is this crossing. In 2005, more than 17 million vehicles and 50 million people entered the U.S. through San Ysidro . Among those who enter the U.S. through San Ysidro are transfronterizos , American citizens who live in Mexico and attend school in the U.S. It has influenced the every day lifestyle of people that live in these border towns . Along
8778-431: The U.S., 90% were from Mexico alone. In addition, there are more than 6 million undocumented Mexican nationals residing in the U.S. The border has a very high rate of documented and undocumented migrant crossings every year. With such a high rate of people crossing annually to the U.S., the country has invested in several distinct security measures. In 2010, President Barack Obama signed an appropriation bill which gave
8911-572: The U.S.: Baja California , Chihuahua , Coahuila , Nuevo León , Sonora and Tamaulipas . It is the tenth-longest border between two countries in the world. The total length of the continental border is 3,145 kilometers (1,954 miles). From the Gulf of Mexico, it follows the course of the Rio Grande (Río Bravo del Norte) to the border crossing at Ciudad Juárez, Chihuahua , and El Paso, Texas . Westward from El Paso–Juárez , it crosses vast tracts of
9044-454: The Union . However, due to the existence of a large contingent of pro-South sympathizers within the state, the state was not able to muster any full military regiments to send eastwards to officially serve in the Union war effort. Still, several smaller military units within the Union army, such as the "California 100 Company" , were unofficially associated with the state of California due to a majority of their members being from California. At
9177-404: The association to found a colony there of silk growers and silk weavers. Sixty families were reported ready to locate on the colony grounds as soon as negotiations were completed. Prevost, the leader of the group, died shortly after the purchase was made, and the colony project died later. At first, the profits from the seri-culture fad were large, not, however, from the manufacture of silk, but from
9310-454: The best land in the state, were secularized by 1834 and became the property of the Mexican government. The governor granted many square leagues of land to others with political influence. These huge ranchos or cattle ranches emerged as the dominant institutions of Mexican California. The ranchos developed under ownership by Californios (Hispanics native of California) who traded cowhides and tallow with Boston merchants. Beef did not become
9443-464: The best route to follow, which became known as "Marsh's route". His letters were read, reread, passed around, and printed in newspapers throughout the country, and started the first wagon trains rolling to California. After ushering in the period of organized emigration to California, Marsh became involved in a military battle between the much-hated Mexican general, Manuel Micheltorena and the California governor he had replaced, Juan Bautista Alvarado. At
9576-460: The border every day is causing air pollution in San Ysidro and Tijuana. The emission of carbon monoxide (CO) and other vehicle related air contaminants have been linked to health complications such as cardiovascular disease, lung cancer, birth outcomes, premature death, obesity, asthma and other respiratory diseases. The high levels of traffic collusion and the extended wait times has affected
9709-572: The border regions reflected this. As the infrastructure of communities on the U.S. side continued to improve, the Mexican side began to fall behind in the construction and maintenance of important transportation networks and systems necessary to municipal development. Although the Mexican Revolution caused insecurity in Mexico, it also strained U.S.–Mexico relations. With the Mexican Revolution lasting for 10 years, ending in 1920, and World War I simultaneously occurring between 1914 and 1918,
9842-420: The border was reaffirmed in the 1828 Treaty of Limits . Mexico attempted to create a buffer zone at the border that would prevent possible invasion from the north. The Mexican government encouraged thousands of their own citizens to settle in the region that is now known as Texas and even offered inexpensive land to settlers from the U.S. in exchange for populating the area. The influx of people did not provide
9975-489: The border were relaxed and most soldiers were sent home; however, the fences remained as a physical reminder of the division between the two nations. As years passed, more fences and higher barriers were established as attentions focused on the boundary demarcation between the U.S. and Mexico. The first international bridge was the Brownsville & Matamoros International Bridge built in 1910. The first barrier built by
10108-467: The border with Mexico, while California has the shortest. Among the states in Mexico, Chihuahua has the longest border with the U.S., while Nuevo León has the shortest. Along the border are 23 U.S. counties and 39 Mexican municipalities . In the mid-16th century, after the discovery of silver, settlers from various countries and backgrounds began to arrive in the area. This period of sparse settlement included colonizers from different backgrounds. The area
10241-405: The border, according to Mexican political scientist Armand Peschard-Sverdrup . The economic development of the border region on the Mexican side of the border depended largely on its proximity to the U.S., because of its remoteness from commercial centers in Mexico. During the years of Mexican President Porfirio Díaz , between 1876 and 1910, the border communities boomed because of close ties to
10374-494: The coast of Baja California, there are neighborhoods of Americans living in Tijuana, Rosarito Beach , and Ensenada , whose residents commute to the U.S. daily to work. Additionally, many Mexicans also enter the U.S. to commute daily to work. In 1999, 7.6% of the labor force of Tijuana was employed in San Diego. The average wait time to cross into the U.S. is approximately an hour. The thousands of vehicles that transit through
10507-551: The conquest include the Battle of San Pasqual and the Battle of Dominguez Rancho in Southern California, as well as the Battle of Olómpali and the Battle of Santa Clara in Northern California. After a series of defensive battles in the south, the Treaty of Cahuenga was signed by the Californios on January 13, 1847, securing a censure and establishing de facto American control in California. Following
10640-491: The construction period, 1935–1938. At the end, each nation had ceded an equal area of land to the other. The Boundary Treaty of 1970 transferred an area of Mexican territory to the U.S., near Presidio and Hidalgo, Texas , to build flood control channels. In exchange, the U.S. ceded other land to Mexico, including five parcels near Presidio, the Horcon Tract and Beaver Island near Roma, Texas . On November 24, 2009,
10773-535: The deadliest in U.S. history. Although air pollution has been reduced, health problems associated with pollution continue. Brown haze known as " smog " has been substantially abated after federal and state restrictions on automobile exhaust. An energy crisis in 2001 led to rolling blackouts , soaring power rates, and the importation of electricity from neighboring states. Southern California Edison and Pacific Gas and Electric Company came under heavy criticism. Housing prices in urban areas continued to increase;
10906-619: The defense that Mexico had hoped for and instead Texas declared its independence in 1836, which lasted until 1845 when the U.S. annexed it. The constant conflicts in the Texas region in the mid-19th century eventually led to the Mexican–American War , which began in 1846 and ended in 1848 with the Treaty of Guadalupe Hidalgo . In the terms of the peace treaty, Mexico lost more than 2,500,000 square kilometers (970,000 sq mi) of land, 55% of its territory, including all of what
11039-508: The division between the U.S. and Mexico began to polarize the two nations. Constant battles and raids along the border made both authorities nervous about borderland security. The Zimmerman Telegram , a diplomatic cable sent by Germany but intercepted and decrypted by British intelligence, was meant to bait Mexico into war with the U.S. in order to reconquer what was taken from them during the Mexican-American War. This inspired
11172-476: The exception of the 40 km (25 mi) border zone, but still within the 161 km (100 mi) border zone. In 2012, Border Patrol agents made over 364,000 arrests of people illegally entering the country. Considerable success has been achieved in restoring integrity and safety to the border, by putting in place a border-control strategy. These include Operation Gatekeeper in San Diego ; Operation Hold
11305-472: The flow of illegal immigrants is diverted into rural mountainous and desert areas, leading to several hundred migrant deaths along the Mexico–U.S. border of those attempting to cross into the U.S. from Mexico illegally and vice versa. Undocumented labor contributes $ 395 billion to the economy every year. While the U.S. is in favor of immigration, the increase in undocumented immigration has given border-crossing
11438-626: The government to adequately sustain the populations living on them. As a result, settler colonialism was a calamity for indigenous people. Several scholars and Native American activists, including Benjamin Madley and Ed Castillo , have described the actions of the California government as a genocide , as well as the 40th governor of California Gavin Newsom . Benjamin Madley estimates that from 1846 to 1873, between 9,492 and 16,092 indigenous people were killed, including between 1,680 and 3,741 killed by
11571-429: The graph; they reached a maximum of over 1.643 million in the year 2000. Similar numbers had been reached in 1986 with over 1.615 million. The increase of border security throughout the years has progressively made crossings at the U.S.–Mexico border more dangerous, which has developed a human rights crisis at the border. The number of migrant deaths occurring along the U.S.–Mexico border has dramatically increased since
11704-459: The highest output of any U.S. state, and is led by its dairy , almonds , and grapes . With the busiest port in the country ( Los Angeles ), California plays a pivotal role in the global supply chain, hauling in about 40% of goods imported to the US. Notable contributions to popular culture , ranging from entertainment , sports , music , and fashion , have their origins in California. California
11837-576: The implementation of the funnel effect. Along the Arizona-Mexico border, only seven migrant deaths were recorded in 1996; however, the remains of over 2,000 migrants were discovered from 2001 to 2012. Since the majority of deaths occur in rural areas, where extreme temperatures are common, it is likely the number of recorded deaths are far below the total. Because of the harsh, inaccessible terrain, human remains may not be found for years or ever. The Human Rights Watch cited on April 22, 2020, that
11970-410: The indigenous peoples developed complex forms of ecosystem management, including forest gardening to ensure the regular availability of food and medicinal plants . This was a form of sustainable agriculture . To mitigate destructive large wildfires from ravaging the natural environment, indigenous peoples developed a practice of controlled burning . This practice was recognized for its benefits by
12103-572: The interior and north of California. The Anza expedition selected numerous sites for missions, presidios, and pueblos, which subsequently would be established by settlers. Gabriel Moraga , a member of the expedition, would also christen many of California's prominent rivers with their names in 1775–1776, such as the Sacramento River and the San Joaquin River . After the expedition, Gabriel's son, José Joaquín Moraga , would found
12236-489: The introduction of ticks and other parasites. In the Lower Rio Grande Valley, U.S. Department of Agriculture inspectors look for horses and livestock that stray across the border carrying ticks. These animals are often called wetstock, and the inspectors are referred to as tickriders. Per APHIS, horses originating from Canada can enter the U.S. with a Canadian government veterinary health certificate and
12369-531: The largest dam removal and river restoration project in US history was announced for the Klamath River , as a win for California tribes. Covering an area of 163,696 sq mi (423,970 km ), California is the third-largest state in the United States in area, after Alaska and Texas . California is one of the most geographically diverse states in the union and is often geographically bisected into two regions, Southern California , comprising
12502-419: The mental health, stress levels, and aggressive behavior of the people who cross frequently. The San Ysidro border is heavily policed, separated by three walls, border patrol agents and the U.S. Immigration and Customs Enforcement . Tijuana is the next target for San Diegan developers because of its fast-growing economy, lower cost of living, cheap prices and proximity to San Diego. While this would benefit
12635-844: The middle of the state lies the California Central Valley , bounded by the Sierra Nevada in the east, the coastal mountain ranges in the west, the Cascade Range to the north and by the Tehachapi Mountains in the south. The Central Valley is California's productive agricultural heartland. Divided in two by the Sacramento-San Joaquin River Delta , the northern portion, the Sacramento Valley serves as
12768-407: The once disputed lands, many of whom were Mexican nationals. Following the establishment of the current border, several towns sprang up along this boundary, and many of the Mexican citizens were given free land in the northern regions of Mexico in exchange for returning and repopulating the area. The Treaty of Guadalupe Hidalgo and another treaty in 1884 were the agreements originally responsible for
12901-476: The people of the commonwealth not less than US$ 250,000. The dry year of 1869-70 prevented the planting of mulberry plantations. A writer in the Overland Monthly of 1869 noted: "It is almost startling to think that from a calling so apparently insignificant we may be able to realize in a short time a larger sum and infinitely greater gains than from one-half of all our other agricultural productions in
13034-486: The point where the Rio Grande crosses the 31° 47′ parallel north, It then proceeds northwards along that meridian up to the 31° 47′ parallel north and then eastwards along that parallel until it meets the Rio Grande. According to the International Boundary and Water Commission , the continental border then follows the middle of the Rio Grande—according to the 1848 Treaty of Guadalupe Hidalgo between
13167-466: The poor run the risk of being impacted by the gentrification of Tijuana. In late 2006, the U.S. Department of Homeland Security (DHS) announced a rule regarding new identification requirements for U.S. citizens and international travelers entering the U.S. implemented on January 23, 2007. This final rule and first phase of the WHTI specifies nine forms of identification, one of which is required to enter
13300-414: The population of San Francisco increased from 500 to 150,000. The seat of government for California under Spanish and later Mexican rule had been located in Monterey from 1777 until 1845. Pio Pico, the last Mexican governor of Alta California, had briefly moved the capital to Los Angeles in 1845. The United States consulate had also been located in Monterey, under consul Thomas O. Larkin . In 1849,
13433-548: The presence of this disease. A leading exception to this rule is the special waiver obtained by riders participating in the Cabalgata Binacional Villista (see cavalcade ). Import from the U.S. to Mexico requires evidence within the prior 45 days of freedom from EIA, among other requirements. Data from the U.S. Border Patrol Agency's 2010 annual report shows that among the total number of border crossings without documentation from various countries into
13566-418: The provisions were temporarily suspended. The U.S. Immigration Act of 1924 established the U.S. Border Patrol . The Mexican Revolution , caused at least partially by animosity toward foreign ownership of Mexican properties, began in 1910. The revolution increased the political instability in Mexico but did not significantly slow U.S. investment. It did reduce economic development within Mexico, however, and
13699-733: The pueblo of San Jose in 1777, making it the first civilian-established city in California. During this same period, sailors from the Russian Empire explored along the northern coast of California. In 1812, the Russian-American Company established a trading post and small fortification at Fort Ross on the North Coast . Fort Ross was primarily used to supply Russia's Alaskan colonies with food supplies. The settlement did not meet much success, failing to attract settlers or establish long term trade viability, and
13832-469: The races until the Indian race becomes extinct must be expected. While we cannot anticipate the result with but painful regret, the inevitable destiny of the race is beyond the power and wisdom of man to avert." As in other American states, indigenous peoples were forcibly removed from their lands by American settlers , like miners, ranchers, and farmers. Although California had entered the American union as
13965-403: The region known as California , or Las Californias , grew. Eventually it included lands north of the peninsula, Alta California , part of which became the present-day U.S. state of California. A 2017 state legislative document states, "Numerous theories exist as to the origin and meaning of the word 'California, ' " and that all anyone knows is the name was added to a map by 1541 "presumably by
14098-417: The river that became segregated from either country by a cutoff, often caused by rapid accretion or avulsion of the alluvial channel), especially in the lower Rio Grande Valley. When these bancos are created, the International Boundary and Water Commission investigates if land previously belonging to the U.S. or Mexico is to be considered on the other side of the border. In all cases of these adjustments along
14231-462: The sale of silkworm eggs. When the industry was launched, eggs sold at ten dollars an ounce and the worms were good layers. One seri-culturist reported a net profit of US$ 1,000 an acre made in sixty days from the sale of eggs. Another realized US$ 1,260 an acre in a single season. The net profits from his three acres of trees and cocoons exceeded the net profit on his neighbor's 10,000 acres of grain. With such immense returns from such small investments, it
14364-424: The settlement of the international border, both of which specified that the middle of the Rio Grande was the border, irrespective of any alterations in the channels or banks. The Rio Grande shifted south between 1852 and 1868, with the most radical shift in the river occurring after a flood in 1864. By 1873 the moving river-center border had cut off approximately 2.4 square kilometers (590 acres) of Mexican territory in
14497-654: The state as part of the Gold Rush or to seek work. Even though the Chinese proved indispensable in building the transcontinental railroad from California to Utah, perceived job competition with the Chinese led to anti-Chinese riots in the state, and eventually the US ended migration from China partially as a response to pressure from California with the 1882 Chinese Exclusion Act . Under earlier Spanish and Mexican rule, California's original native population had precipitously declined, above all, from Eurasian diseases to which
14630-521: The state on March 4, 2020, and remained in effect until Governor Gavin Newsom ended it in February 2023. A mandatory statewide stay-at-home order was issued on March 19, 2020, which was ended in January 2021. Cultural and language revitalization efforts among indigenous Californians have progressed among tribes as of 2022. Some land returns to indigenous stewardship have occurred. In 2022,
14763-430: The state results in climates that vary from moist temperate rainforest in the north to arid desert in the interior, as well as snowy alpine in the mountains . Droughts and wildfires are an ongoing issue. California's economy is the largest of any U.S. state, with a $ 4.0 trillion gross state product as of 2024 . It is the largest sub-national economy in the world. California's agricultural industry has
14896-515: The state's demographics and its finances. Soon afterward, a massive influx of immigration into the area resulted, as prospectors and miners arrived by the thousands. The population burgeoned with United States citizens, Europeans, Middle Easterns, Chinese and other immigrants during the great California gold rush . By the time of California's application for statehood in 1850, the settler population of California had multiplied to 100,000. By 1854, more than 300,000 settlers had come. Between 1847 and 1870,
15029-522: The state's name include CA, Cal., Calif., Califas , and US-CA . California was one of the most culturally and linguistically diverse areas in pre-Columbian North America . Historians generally agree that there were at least 300,000 people living in California prior to European colonization. The Indigenous peoples of California included more than 70 distinct ethnic groups , inhabiting environments ranging from mountains and deserts to islands and redwood forests. Living in these diverse geographic areas,
15162-620: The state, and develop a high-tech region, now known as Silicon Valley . As a result of this, California is a world center of the entertainment and music industries, of technology, engineering, and the aerospace industry, and as the US center of agricultural production. Just before the Dot Com Bust , California had the fifth-largest economy in the world. In the mid and late twentieth century, race-related incidents occurred. Tensions between police and African Americans, combined with unemployment and poverty in inner cities, led to riots, such as
15295-511: The ten southernmost counties, and Northern California , comprising the 48 northernmost counties. It is bordered by Oregon to the north, Nevada to the east and northeast, Arizona to the southeast, the Pacific Ocean to the west and shares an international border with the Mexican state of Baja California to the south (with which it makes up part of The Californias region of North America , alongside Baja California Sur ). In
15428-407: The time of California's admission into the Union, travel between California and the rest of the continental United States had been a time-consuming and dangerous feat. Nineteen years later, and seven years after it was greenlighted by President Lincoln, the first transcontinental railroad was completed in 1869. California was then reachable from the eastern States in a week's time. Much of the state
15561-417: The tourist aspect of the city, it is damaging to low-income residents that will no longer be able to afford the cost of living in Tijuana. Tijuana is home to many deportees from the U.S., many who have lost everything and do not have an income to rely on and are now in a new city in which they have to quickly adapt in order to survive. San Diego developers would bring many benefits to Tijuana, but deportees and
15694-570: The transition from Spanish colonial rule to independent Mexican rule. In 1821, the Mexican War of Independence gave the Mexican Empire (which included California) independence from Spain. For the next 25 years, Alta California remained a remote, sparsely populated, northwestern administrative district of the newly independent country of Mexico, which shortly after independence became a republic. The missions , which controlled most of
15827-507: The two nations, "along the deepest channel" (also known as the thalweg )—a distance of 2,020 km (1,255 mi) to its mouth at the Gulf of Mexico. The Rio Grande frequently meanders along the Texas–Mexico border. As a result, the U.S. and Mexico have a treaty by which the Rio Grande is maintained as the border, with new cut-offs and islands being transferred to the other nation as necessary. The Boundary Treaty of 1970 between Mexico and
15960-535: The two nations, and provide for flood control and water sanitation. Once viewed as a model of international cooperation, in recent decades the IBWC has been heavily criticized as an institutional anachronism, by-passed by modern social, environmental and political issues. In particular, jurisdictional issues regarding water rights in the Rio Grande Valley have continued to cause tension between farmers along
16093-604: The watershed of the Sacramento River , while the southern portion, the San Joaquin Valley is the watershed for the San Joaquin River . Both valleys derive their names from the rivers that flow through them. With dredging, the Sacramento and the San Joaquin Rivers have remained deep enough for several inland cities to be seaports . Mexico%E2%80%93United States border The Mexico–United States border ( Spanish : frontera Estados Unidos–México )
16226-580: The world. The Mexico–U.S. border begins at the Initial Point of Boundary Between U.S. and Mexico , which is set one marine league (three nautical miles ) south of the southernmost point of San Diego Bay . The border then proceeds for 227 km (141 mi) in a straight line towards the confluence of the Colorado River and Gila River . The border continues southwards along the Colorado River for 39 km (24 mi), until it reaches
16359-544: Was abandoned by 1841. During the War of Mexican Independence , Alta California was largely unaffected and uninvolved in the revolution, though many Californios supported independence from Spain , which many believed had neglected California and limited its development. Spain's trade monopoly on California had limited local trade prospects. Following Mexican independence, California ports were freely able to trade with foreign merchants. Governor Pablo Vicente de Solá presided over
16492-490: Was abandoned. By then the superintendent of the company had purchased about 5,500 acres (2,200 ha) in the vicinity of Rubidoux Rancho , with a further expansion of 3,169 acres (1,282 ha) already arranged. A number of mulberry trees had been planted to provide nourishment for the silkworms . To encourage silk culture in California, the Legislature , in 1865-66 (another source states 1867), passed an act giving
16625-415: Was created in 1924 with its primary mission to detect and prevent the illegal entry of immigrants into the U.S. Together with other law enforcement officers, the Border Patrol maintains the U.S.' borderlands—regulating the flow of legal immigration and goods while patrolling for undocumented migrants and trafficking of people and contraband. The present strategy to enforce migration along the U.S.–Mexico border
16758-552: Was extremely well suited to fruit cultivation and agriculture in general. Vast expanses of wheat, other cereal crops, vegetable crops, cotton, and nut and fruit trees were grown (including oranges in Southern California), and the foundation was laid for the state's prodigious agricultural production in the Central Valley and elsewhere. In the nineteenth century, a large number of migrants from China traveled to
16891-607: Was highly unstable, and in a reflection of this, from 1831 onwards, California also experienced a series of armed disputes, both internal and with the central Mexican government. During this tumultuous political period Juan Bautista Alvarado was able to secure the governorship during 1836–1842. The military action which first brought Alvarado to power had momentarily declared California to be an independent state, and had been aided by Anglo-American residents of California, including Isaac Graham . In 1840, one hundred of those residents who did not have passports were arrested, leading to
17024-714: Was not usually the purpose of these small-scale battles. Men and women generally had different roles in society. Women were often responsible for weaving, harvesting, processing, and preparing food, while men for hunting and other forms of physical labor. Most societies also had roles for people whom the Spanish referred to as joyas , who they saw as "men who dressed as women". Joyas were responsible for death , burial , and mourning rituals , and they performed women's social roles. Indigenous societies had terms such as two-spirit to refer to them. The Chumash referred to them as 'aqi. The early Spanish settlers detested and sought to eliminate them. The first Europeans to explore
17157-604: Was one of the most culturally and linguistically diverse areas in pre-Columbian North America . European exploration in the 16th and 17th centuries led to the colonization by the Spanish Empire . The area became a part of Mexico in 1821, following its successful war for independence , but was ceded to the United States in 1848 after the Mexican–American War . The California gold rush started in 1848 and led to social and demographic changes, including depopulation of Indigenous tribes. The western portion of Alta California
17290-519: Was part of New Spain . In the early 19th century, the U.S. bought the lands known as the Louisiana Purchase from France and began to expand steadily westward. After the 1803 Louisiana Purchase, the border between the U.S. and New Spain was not clearly defined. The border was established in the 1819 Adams–Onís Treaty between the U.S. and Spain, which specified northern and eastern borders. Mexico gained its independence from Spain, and
17423-502: Was short-lived; the same year marked the outbreak of the Mexican–American War (1846–1848). Commodore John D. Sloat of the United States Navy sailed into Monterey Bay in 1846 and began the U.S. military invasion of California , with Northern California capitulating in less than a month to the United States forces. In Southern California, Californios continued to resist American forces. Notable military engagements of
17556-399: Was then organized and admitted as the 31st state in 1850 , as a free state , following the Compromise of 1850 . The Greater Los Angeles and San Francisco Bay areas are the nation's second- and fifth-most populous urban regions , with 19 million and 10 million residents respectively. Los Angeles is the state's most populous city and the nation's second-most ; California's capital
17689-453: Was unsuited to silk culture. The defects were in the seri-culturists, not in the soil or climate of the State. There was no concert of action among the producers. They were scattered from Siskiyou to San Diego . There were not enough producers in any one place to build a factory, and not enough weavers in the country to manufacture the raw silk produced; nor could capital be induced to invest in silk factories. California California
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