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79-600: The McKees Rocks Bridge is a steel trussed through arch bridge which carries the Blue Belt , Pittsburgh 's innermost beltline , across the Ohio River at Brighton Heights and McKees Rocks, Pennsylvania , connecting Pennsylvania Route 65 with Pennsylvania Route 51 , west of the city. At 7,293 feet (2,223 m) long, this historic bridge is the longest bridge in Allegheny County . Built in 1931, it

158-405: A central state apparatus designed to manage state institutions more efficiently. These changes helped Texas universities receive federal research funds. Beginning around the mid-20th century, Texas began to transform from a rural and agricultural state to one urban and industrialized. The state's population grew quickly during this period, with large levels of migration from outside the state. As

237-568: A frontier territory. The state became notorious as a haven for people from other parts of the country who wanted to escape debt, war tensions, or other problems. "Gone to Texas" was a common expression for those fleeing the law in other states. Nevertheless, the state also attracted many businessmen and other settlers with more legitimate interests. The cattle industry continued to thrive, though it gradually became less profitable. Cotton and lumber became major industries creating new economic booms in various regions. Railroad networks grew rapidly as did

316-523: A major destination for migration during the early 21st century and was named the most popular state to move for three consecutive years. Another study in 2019 determined Texas's growth rate at 1,000 people per day. During the COVID-19 pandemic in Texas , the first confirmed case of the virus in Texas was announced on March 4, 2020. On April 27, 2020, Governor Greg Abbott announced phase one of re-opening

395-542: A part of the Sun Belt , Texas experienced strong economic growth, particularly during the 1970s and early 1980s. Texas's economy diversified, lessening its reliance on the petroleum industry . By 1990, Hispanics and Latino Americans overtook Blacks to become the largest minority group. Texas has the largest Black population with over 3.9 million. During the late 20th century, the Republican Party replaced

474-713: A semi-circular arch, the height is half of the span. Bridges across deep, narrow gorges can have their arch placed entirely beneath a flat roadway, but bridges in flatter country rise above their road approaches. A wide bridge may require an arch so tall as to become a significant obstacle and incline for the roadway. Small bridges can be hump-backed , but larger bridges such as the Old Bridge, Pontypridd may become so steep as to require steps, making their use for wheeled traffic difficult. Railways also find arched bridges difficult as they are even less tolerant of inclines. Where simple arched bridges are used for railways on flat terrain

553-634: A supply state was marginalized in mid-1863 after the Union capture of the Mississippi River . The final battle of the Civil War was fought at Palmito Ranch , near Brownsville, Texas, and saw a Confederate victory. Texas descended into anarchy for two months between the surrender of the Army of Northern Virginia and the assumption of authority by Union General Gordon Granger . Violence marked

632-435: A third of Colorado , and small portions of Kansas , Oklahoma , and Wyoming to the federal government, in return for the assumption of $ 10 million of the old republic's debt. Post-war Texas grew rapidly as migrants poured into the cotton lands of the state. They also brought or purchased enslaved African Americans, whose numbers tripled in the state from 1850 to 1860, from 58,000 to 182,566. Texas re-entered war following

711-518: Is constructed in place or lifted into position. In some cases, this type of arch has been created by constructing cantilevers from each side, with the shoreside ends bolted securely down into heavy piers. The incomplete channel ends are then constructed toward each other and either filled by construction or by lifting a prefabricated center section. This type of construction was used in the Sydney Harbour Bridge illustrated above, with

790-399: Is not practical to support the arch from beneath during construction. In modern construction, temporary towers are erected and supported by cables anchored in the ground. Temporary cables fly from each side to support arch segments as they are constructed. When the arches are almost complete a jacking bridge is placed over or beneath the gap to force the arches apart, whence the final section

869-468: Is the second-largest U.S. state by area, after Alaska , and the largest state within the contiguous United States , at 268,820 square miles (696,200 km ). If it were an independent country, Texas would be the 39th-largest . It ranks 26th worldwide amongst country subdivisions by size . Texas is in the south central part of the United States. The Rio Grande forms a natural border with

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948-527: Is the second-largest state by both area and population . Texas is nicknamed the Lone Star State for its former status as an independent republic . Spain was the first European country to claim and control Texas. Following a short-lived colony controlled by France, Mexico controlled the land until 1836 when Texas won its independence, becoming the Republic of Texas . In 1845, Texas joined

1027-519: Is unetymological, contrary to the historical value of the letter x ( / ʃ / ) in Spanish orthography . Alternative etymologies of the name advanced in the late 19th century connected the name Texas with the Spanish word teja , meaning 'roof tile', the plural tejas being used to designate Indigenous Pueblo settlements. A 1760s map by Jacques-Nicolas Bellin shows a village named Teijas on

1106-642: The Aranama , lived in southern Texas. This entire culture group, primarily centered in northeastern Mexico , is now extinct. No culture was dominant across all of present-day Texas, and many peoples inhabited the area. Native American tribes who have lived inside the boundaries of present-day Texas include the Alabama , Apache , Atakapan , Bidai , Caddo , Aranama , Comanche , Choctaw , Coushatta , Hasinai , Jumano , Karankawa , Kickapoo , Kiowa , Tonkawa , and Wichita . Many of these peoples migrated from

1185-595: The Battle of Gonzales . This launched the Texas Revolution . Texians elected delegates to the Consultation , which created a provisional government. The provisional government soon collapsed from infighting, and Texas was without clear governance for the first two months of 1836. Mexican President Antonio López de Santa Anna personally led an army to end the revolt. General José de Urrea defeated all

1264-975: The Chaotianmen Bridge in China, the world's longest through arch bridge; Tyne Bridge of Newcastle upon Tyne ; the Bayonne Bridge that connects New York City to New Jersey , which is longer than the Sydney Harbour Bridge; the Ahwaz White Bridge ; the Bourne Bridge and Sagamore Bridge , smaller, near-twin bridges over the Cape Cod Canal ; the Pennybacker Bridge in Austin , Texas and as

1343-661: The Democratic Party as the dominant party in the state. Beginning in the early 21st century, metropolitan areas including Dallas–Fort Worth and Greater Austin became centers for the Texas Democratic Party in statewide and national elections as liberal policies became more accepted in urban areas. From the mid-2000s to 2019, Texas gained an influx of business relocations and regional headquarters from companies in California . Texas became

1422-567: The Gulf of Mexico . The resulting " oil boom " transformed Texas. Oil production averaged three million barrels per day at its peak in 1972. In 1901, the Democratic-dominated state legislature passed a bill requiring payment of a poll tax for voting, which effectively disenfranchised most Black and many poor White and Latino people. In addition, the legislature established white primaries , ensuring minorities were excluded from

1501-676: The Hernando de Soto Bridge in Memphis, Tennessee . Wylam Railway Bridge is an early through arch bridge upstream of the Tyne Bridge. The through arch bridge usually consists of two ribs, although there are examples like the Hulme Arch Bridge of through arches with a single rib. When the two arches are built in parallel planes, the structure is a parallel rib arch bridge. When the two arch ribs lean together and shorten

1580-732: The Mississippian culture , also known as Mound Builders , which extended along the Mississippi River Valley east of Texas; and the civilizations of Mesoamerica , which were centered south of Texas. Influence of Teotihuacan in northern Mexico peaked around AD 500 and declined between the 8th and 10th centuries. When Europeans arrived in the Texas region, the language families present in the state were Caddoan, Atakapan , Athabaskan, Coahuiltecan , and Uto-Aztecan, in addition to several language isolates such as Tonkawa . Uto-Aztecan Puebloan and Jumano peoples lived neared

1659-625: The Old Three Hundred , made places along the Brazos River in 1822. The population of Texas grew rapidly. In 1825, Texas had about 3,500 people, with most of Mexican descent. By 1834, the population had grown to about 37,800 people, with only 7,800 of Mexican descent. Many immigrants openly flouted Mexican law, especially the prohibition against slavery . Combined with United States' attempts to purchase Texas, Mexican authorities decided in 1830 to prohibit continued immigration from

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1738-568: The Pacific Ocean . Their opponents, led by Sam Houston, advocated the annexation of Texas to the United States and peaceful co-existence with Native Americans. The conflict between the factions was typified by an incident known as the Texas Archive War . With wide popular support, Texas first applied for annexation to the United States in 1836, but its status as a slaveholding country caused its admission to be controversial and it

1817-546: The Saint Malo settlement assisting Jean Lafitte in the Battle of New Orleans . In 1821, the Mexican War of Independence included the Texas territory, which became part of Mexico. Due to its low population, the territory was assigned to other states and territories of Mexico ; the core territory was part of the state of Coahuila y Tejas , but other parts of today's Texas were part of Tamaulipas , Chihuahua , or

1896-691: The Trinity River , close to the site of modern Crockett . Texas lies between two major cultural spheres of Pre-Columbian North America : the Southwestern and the Plains areas. Archaeologists have found that three major Indigenous cultures lived in this territory, and reached their developmental peak before the first European contact. These were: the Ancestral Puebloans from the upper Rio Grande region, centered west of Texas;

1975-557: The election of 1860 . During this time, Black people comprised 30 percent of the state's population, and they were overwhelmingly enslaved. When Abraham Lincoln was elected, South Carolina seceded from the Union; five other Deep South states quickly followed. A state convention considering secession opened in Austin on January 28, 1861. On February 1, by a vote of 166–8, the convention adopted an Ordinance of Secession . Texas voters approved this Ordinance on February 23, 1861. Texas joined

2054-682: The federalists against the government and drove all Mexican soldiers out of East Texas. They took advantage of the lack of oversight to agitate for more political freedom. Texians met at the Convention of 1832 to discuss requesting independent statehood, among other issues. The following year, Texians reiterated their demands at the Convention of 1833 . Within Mexico, tensions continued between federalists and centralists. In early 1835, wary Texians formed Committees of Correspondence and Safety. The unrest erupted into armed conflict in late 1835 at

2133-684: The Caddo meant that few were converted. Positioned between French Louisiana and Spanish Texas, the Caddo maintained relations with both, but were closer with the French. After Spain took control of Louisiana, most of the missions in eastern Texas were closed and abandoned. The United States obtained Louisiana following the 1803 Louisiana Purchase and began convincing tribes to self-segregate from whites by moving west; facing an overflow of native peoples in Missouri and Arkansas, they were able to negotiate with

2212-582: The Caddo of Louisiana and Arkansas. Following the Texas Revolution, the Texans chose to make peace with the Indigenous people, but did not honor former land claims or agreements. The first president of Texas, Sam Houston , aimed to cooperate and make peace with Native tribes, but his successor, Mirabeau B. Lamar , took a much more hostile stance. Hostility towards Natives by white Texans prompted

2291-568: The Caddo to allow several displaced peoples to settle on unused lands in eastern Texas. These included the Muscogee , Houma Choctaw , Lenape and Mingo Seneca , among others, who came to view the Caddoans as saviors. The temperament of Native American tribes affected the fates of European explorers and settlers in that land. Friendly tribes taught newcomers how to grow local crops, prepare foods, and hunt wild game . Warlike tribes resisted

2370-532: The Caddo, with the U.S. government trying to keep them in check. The Caddo never turned to violence because of the situation, except in cases of self-defense. By the 1830s, the U.S. had drafted the Indian Removal Act, which was used to facilitate the Trail of Tears. Fearing retribution, Indian Agents all over the eastern U.S. tried to convince all Indigenous peoples to uproot and move west. This included

2449-472: The Caddo. After Caddo resistance, the Spanish missionaries returned to Mexico. When France began settling Louisiana , in 1716 Spanish authorities responded by founding a new series of missions in East Texas. Two years later, they created San Antonio as the first Spanish civilian settlement in the area. Hostile native tribes and distance from nearby Spanish colonies discouraged settlers from moving to

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2528-462: The Civil War and the restoration of its representation in the federal government, Texas entered a long period of economic stagnation. Historically, five major industries shaped the Texas economy prior to World War II : cattle, bison, cotton, timber, and oil. Before and after the Civil War, the cattle industry—which Texas came to dominate—was a major economic driver and created the traditional image of

2607-599: The Confederacy, Houston was deposed. While far from the major battlefields of the American Civil War , Texas contributed large numbers of soldiers and equipment. Union troops briefly occupied the state's primary port, Galveston. Texas's border with Mexico was known as the "backdoor of the Confederacy" because trade occurred at the border, bypassing the Union blockade. The Confederacy repulsed all Union attempts to shut down this route, but Texas's role as

2686-665: The Convention disbanded. The new government joined the other settlers in Texas in the Runaway Scrape , fleeing from the approaching Mexican army. After several weeks of retreat, the Texian Army commanded by Sam Houston attacked and defeated López de Santa Anna's forces at the Battle of San Jacinto . López de Santa Anna was captured and forced to sign the Treaties of Velasco , ending the war. The Constitution of

2765-527: The Mexican Territory of Santa Fe de Nuevo México . Hoping more settlers would reduce the near-constant Comanche raids, Mexican Texas liberalized its immigration policies to permit immigrants from outside Mexico and Spain. Large swathes of land were allotted to empresarios , who recruited settlers from the United States, Europe, and the Mexican interior, primarily the U.S. Austin's settlers,

2844-426: The Mexican states of Chihuahua , Coahuila , Nuevo León , and Tamaulipas to the south. The Red River forms a natural border with Oklahoma and Arkansas to the north. The Sabine River forms a natural border with Louisiana to the east. The Texas Panhandle has an eastern border with Oklahoma at 100° W , a northern border with Oklahoma at 36°30' N and a western border with New Mexico at 103° W . El Paso lies on

2923-486: The Northern United States or California and to escape segregation. In 1940, Texas was 74% White , 14.4% Black, and 11.5% Hispanic. World War II had a dramatic impact on Texas, as federal money poured in to build military bases, munitions factories, detention camps and Army hospitals; 750,000 Texans left for service; the cities exploded with new industry; and hundreds of thousands of poor farmers left

3002-618: The Philippines'), or as provincia de los Tejas ('province of the Tejas '), later also provincia de Texas (or de Tejas ), ('province of Texas'). It was incorporated as provincia de Texas into the Mexican Empire in 1821, and declared a republic in 1836. The Royal Spanish Academy recognizes both spellings, Tejas and Texas , as Spanish-language forms of the name. The English pronunciation with /ks/

3081-527: The Republic of Texas prohibited the government from restricting slavery or freeing slaves, and required free people of African descent to leave the country. Political battles raged between two factions of the new Republic. The nationalist faction, led by Mirabeau B. Lamar , advocated the continued independence of Texas, the expulsion of the Native Americans , and the expansion of the Republic to

3160-749: The Rio Grande in the western portion of the state and the Athabaskan-speaking Apache tribes lived throughout the interior. The agricultural, mound-building Caddo controlled much of the northeastern part of the state, along the Red , Sabine , and Neches River basins. Atakapan peoples such as the Akokisa and Bidai lived along the northeastern Gulf Coast; the Karankawa lived along the central coast. At least one tribe of Coahuiltecans ,

3239-635: The Rio Grande on January 13, 1846. A few months later Mexican troops routed an American cavalry patrol in the disputed area in the Thornton Affair starting the Mexican–American War . The first battles of the war were fought in Texas: the Siege of Fort Texas , Battle of Palo Alto and Battle of Resaca de la Palma . After these decisive victories, the United States invaded Mexican territory, ending

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3318-399: The Texas cowboy. In the later 19th century, cotton and lumber grew to be major industries as the cattle industry became less lucrative. Ultimately, the discovery of major petroleum deposits ( Spindletop in particular) initiated an economic boom that became the driving force behind the economy for much of the 20th century. Texas developed a diversified economy and high tech industry during

3397-599: The Texian resistance along the coast culminating in the Goliad massacre . López de Santa Anna's forces, after a thirteen-day siege , overwhelmed Texian defenders at the Battle of the Alamo . News of the defeats sparked panic among Texas settlers. The newly elected Texian delegates to the Convention of 1836 quickly signed a declaration of independence on March 2, forming the Republic of Texas . After electing interim officers,

3476-611: The U.S. After Texas's annexation, Mexico broke diplomatic relations with the United States. While the United States claimed Texas's border stretched to the Rio Grande, Mexico claimed it was the Nueces River leaving the Rio Grande Valley under contested Texan sovereignty. While the former Republic of Texas could not enforce its border claims, the United States had the military strength and the political will to do so. President Polk ordered General Zachary Taylor south to

3555-467: The United States of America as the 28th state. The state's annexation set off a chain of events that led to the Mexican–American War in 1846. Following victory by the United States, Texas remained a slave state until the American Civil War , when it declared its secession from the Union in early 1861 before officially joining the Confederate States of America on March   2. After

3634-444: The United States. However, illegal immigration from the United States into Mexico continued to increase the population of Texas. New laws also called for the enforcement of customs duties angering native Mexican citizens ( Tejanos ) and recent immigrants alike. The Anahuac Disturbances in 1832 were the first open revolt against Mexican rule, coinciding with a revolt in Mexico against the nation's president. Texians sided with

3713-523: The agreement. Several filibusters raised armies to invade the area west of the Sabine River. Marked by the War of 1812 , some men who had escaped from the Spanish, held (Old) Philippines had immigrated to and also passed through Texas (New Philippines) and reached Louisiana where Philippine exiles aided the United States in the defense of New Orleans against a British invasion, with Filipinos in

3792-578: The area. It was one of New Spain's least populated provinces. In 1749, the Spanish peace treaty with the Lipan Apache angered many tribes, including the Comanche, Tonkawa, and Hasinai. The Comanche signed a treaty with Spain in 1785 and later helped to defeat the Lipan Apache and Karankawa tribes. With numerous missions being established, priests led a peaceful conversion of most tribes. By

3871-456: The colony of Fort Saint Louis at Matagorda Bay rather than along the Mississippi River . The colony lasted only four years before succumbing to harsh conditions and hostile natives. A small band of survivors traveled eastward into the lands of the Caddo, but La Salle was killed by disgruntled expedition members. In 1690 Spanish authorities, concerned that France posed a competitive threat, constructed several missions in East Texas among

3950-425: The cost of building long approach embankments may be considerable. Further issues are the foundations for the bridge. Arch bridges generate large side thrusts on their footings and so may require a solid bedrock foundation. Flattening the arch shape to avoid the humpback problem, such as for Brunel's Maidenhead bridge , increases this side thrust. It is often impossible to achieve a flat enough arch, simply owing to

4029-405: The deck from the arch by tension rods, chains or cables and allow a gap in the arch, so the deck can pass through it. The first of these in particular cannot be achieved with masonry construction and requires wrought iron or steel. The use of a through arch does not change the proportions or size of the arch: a large span will still require a tall arch, although this can now reach any height above

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4108-438: The deck without obstructing traffic. The arch may also reach downwards at its sides, to either reach strong foundations or to place the roadway at a convenient height for spanning a deep valley from a plateau above. The Tyne Bridge demonstrates both of these advantages. A well-known example of this type is the Sydney Harbour Bridge in Australia, which is based on the Hell Gate Bridge in New York City . Other bridges include

4187-417: The deliberate tension member that is the key to a tied-arch. Although visually similar, tied- and untied- through-arch bridges are quite distinct structurally and are unrelated in how they distribute their loads. In particular, cast iron bridges such as the Stanley Ferry Aqueduct may resemble tied-arch bridges, but as cast iron is weak in tension they are not structurally a tied arch. In some locations it

4266-442: The desert and mountains of the Big Bend . The name Texas , based on the Caddo word táy:shaʼ ( /tə́jːʃaʔ/ ) 'friend', was applied, in the spelling Tejas or Texas , by the Spanish to the Caddo themselves, specifically the Hasinai Confederacy. During Spanish colonial rule , in the 18th century, the area was known as Nuevas Filipinas (' New Philippines ') and Nuevo Reino de Filipinas ('New Kingdom of

4345-408: The distance between the arches near the top, the span is a basket handle arch bridge. Many tied-arch bridges are also through-arch bridges. As well as tying the side-loads of the arch, the tension member is also at a convenient height to form the bridge deck, as for a through-arch. The converse is not true: through-arch bridges do not imply that they are tied-arch bridges, unless they also provide

4424-410: The early months of Reconstruction . Juneteenth commemorates the announcement of the Emancipation Proclamation in Galveston by General Gordon Granger, almost two and a half years after the original announcement. President Johnson, in 1866, declared the civilian government restored in Texas. Despite not meeting Reconstruction requirements, Congress resumed allowing elected Texas representatives into

4503-399: The east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and an international border with the Mexican states of Chihuahua , Coahuila , Nuevo León , and Tamaulipas to the south and southwest. Texas has a coastline on the Gulf of Mexico to the southeast. Covering 268,596 square miles (695,660 km ), and with over 30 million residents as of 2023, it

4582-437: The east, seeking a route to Mexico. They passed through the Caddo lands but turned back after reaching the River of Daycao (possibly the Brazos or Colorado), beyond which point the Native peoples were nomadic and did not have the agricultural stores to feed the expedition. European powers ignored the area until accidentally settling there in 1685. Miscalculations by René-Robert Cavelier de La Salle resulted in his establishing

4661-423: The economy. Amid a rise in COVID-19 cases in autumn 2020, Abbott refused to enact further lockdowns. In November 2020, Texas was selected as one of four states to test Pfizer's COVID-19 vaccine distribution. As of February 2, 2021, there had been over 2.4 million confirmed cases in Texas, with at least 37,417 deaths. During February 13–17, 2021, the state faced a major weather emergency as Winter Storm Uri hit

4740-416: The end of the 18th century only a few nomadic tribes had not converted. When the United States purchased Louisiana from France in 1803, American authorities insisted the agreement also included Texas. The boundary between New Spain and the United States was finally set in 1819 at the Sabine River , the modern border between Texas and Louisiana. Eager for new land, many U.S. settlers refused to recognize

4819-401: The federal government for their opposition to U.S. involvement in World War I . The Great Depression and the Dust Bowl dealt a double blow to the state's economy, which had significantly improved since the Civil War. Migrants abandoned the worst-hit sections of Texas during the Dust Bowl years. Especially from this period on, Black people left Texas in the Great Migration to get work in

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4898-404: The federal government in 1870. Social volatility continued as the state struggled with agricultural depression and labor issues. Like most of the South, the Texas economy was devastated by the War. However, since the state had not been as dependent on slaves as other parts of the South, it was able to recover more quickly. The culture in Texas during the later 19th century exhibited many facets of

4977-406: The fields for much better-paying war jobs, never to return to agriculture. Texas manufactured 3.1 percent of total United States military armaments produced during World War II, ranking eleventh among the 48 states. Texas modernized and expanded its system of higher education through the 1960s. The state created a comprehensive plan for higher education, funded in large part by oil revenues, and

5056-471: The fighting in Texas. The Treaty of Guadalupe Hidalgo ended the two-year war. In return for US$ 18,250,000, Mexico gave the U.S. undisputed control of Texas, ceded the Mexican Cession in 1848, most of which today is called the American Southwest, and Texas's borders were established at the Rio Grande. The Compromise of 1850 set Texas's boundaries at their present position: Texas ceded its claims to land which later became half of present-day New Mexico ,

5135-435: The first Europeans in what is now Texas. Cabeza de Vaca reported that in 1528, when the Spanish landed in the area, "half the natives died from a disease of the bowels and blamed us." Cabeza de Vaca also made observations about the way of life of the Ignaces Natives of Texas. Francisco Vázquez de Coronado described another encounter with native people in 1541. The expedition of Hernando de Soto entered into Texas from

5214-464: The formal political process. The number of voters dropped dramatically, and the Democrats crushed competition from the Republican and Populist parties. The Socialist Party became the second-largest party in Texas after 1912, coinciding with a large socialist upsurge in the United States during fierce battles in the labor movement and the popularity of national heroes like Eugene V. Debs . The socialists' popularity soon waned after their vilification by

5293-403: The limitations of the foundations – particularly in flat country. Historically, such bridges often became viaducts of multiple small arches. With the availability of iron or concrete as structural materials, it became possible to construct a through arch bridge : a bridge where the deck does not have to be carried over the top of the arch. This requires a structure that can both support

5372-500: The mid-20th century. As of 2022 , it has the most Fortune 500 company headquarters (53) in the United States. With a growing base of industry, the state leads in many industries, including tourism , agriculture , petrochemicals , energy , computers and electronics , aerospace , and biomedical sciences . Texas has led the U.S. in state export revenue since 2002 and has the second-highest gross state product . The Dallas–Fort Worth metroplex and Greater Houston areas are

5451-572: The movement of most Native populations north into what would become Indian Territory (modern Oklahoma). Only the Alabama-Coushatta would remain in the parts of Texas subject to white settlement, though the Comanche would continue to control most of the western half of the state until their defeat in the 1870s and 1880s. The first historical document related to Texas was a map of the Gulf Coast , created in 1519 by Spanish explorer Alonso Álvarez de Pineda . Nine years later, shipwrecked Spanish explorer Álvar Núñez Cabeza de Vaca and his cohort became

5530-502: The nation's fourth and fifth-most populous urban regions respectively. Its capital city is Austin . Due to its size and geologic features such as the Balcones Fault , Texas contains diverse landscapes common to both the U.S. Southern and the Southwestern regions . Most population centers are in areas of former prairies , grasslands , forests, and the coastline . Traveling from east to west, terrain ranges from coastal swamps and piney woods , to rolling plains and rugged hills, to

5609-486: The newly created Confederate States of America on March 4, 1861, ratifying the permanent C.S. Constitution on March 23. Not all Texans favored secession initially, although many of the same would later support the Southern cause. Texas's most notable Unionist was the state governor, Sam Houston . Not wanting to aggravate the situation, Houston refused two offers from President Lincoln for Union troops to keep him in office. After refusing to swear an oath of allegiance to

5688-573: The north or east during the colonial period, such as the Choctaw , Alabama-Coushatta, and Delaware . The region was primarily controlled by the Spanish until the Texas Revolution . They were most interested in relationships with the Caddo, who were—like the Spanish—a settled, agricultural people. Several Spanish missions were opened in Caddo territory, but a lack of interest in Christianity among

5767-548: The port at Galveston as commerce expanded. The lumber industry quickly expanded and was Texas' largest industry prior to the 20th century. In 1900, Texas suffered the deadliest natural disaster in U.S. history during the Galveston hurricane . On January 10, 1901, the first major oil well in Texas, Spindletop , was found south of Beaumont . Other fields were later discovered nearby in East Texas , West Texas , and under

5846-429: The settlers. Prior treaties with the Spanish forbade either side from militarizing its native population in any potential conflict between the two nations. Several outbreaks of violence between Native Americans and Texans started to spread in the prelude to the Texas Revolution. Texans accused tribes of stealing livestock. While no proof was found, those in charge of Texas at the time attempted to publicly blame and punish

5925-583: The state, as well as most of the Southeastern and Midwestern United States. Historically high power usage across the state caused the state's power grid to become overworked and ERCOT (the main operator of the Texas Interconnection grid) declared an emergency and began to implement rolling blackouts across Texas, causing a power crisis . Over 3 million Texans were without power and over 4 million were under boil-water notices. Texas

6004-538: The supporting cables to the higher side of the arches removed after completion. Texas Texas ( / ˈ t ɛ k s ə s / TEK -səss , locally also / ˈ t ɛ k s ɪ z / TEK -siz ; Spanish : Texas or Tejas , pronounced [ˈtexas] ) is the most populous state in the South Central region of the United States . It borders Louisiana to

6083-460: Was captured twice and Texans were defeated in battle in the Dawson massacre . Despite these successes, Mexico did not keep an occupying force in Texas, and the republic survived. The cotton price crash of the 1840s depressed the country's economy. Texas was finally annexed when the expansionist James K. Polk won the election of 1844 . On December 29, 1845, the U.S. Congress admitted Texas to

6162-539: Was initially rebuffed. This status, and Mexican diplomacy in support of its claims to the territory, also complicated Texas's ability to form foreign alliances and trade relationships. The Comanche Indians furnished the main Native American opposition to the Texas Republic, manifested in multiple raids on settlements . Mexico launched two small expeditions into Texas in 1842. The town of San Antonio

6241-529: Was listed on the National Register of Historic Places in 1988. The stretch of the bridge from Island Avenue was the successor to the O'Donovan Bridge, which ran from Island Avenue to the "Bottoms" of McKees Rocks from 1904 to 1931. Through arch bridge For a specific construction method, especially for masonry arches, the proportions of the arch remain similar no matter what the size: wider arches are thus required to be taller arches. For

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