In terms of secondary source materials, the standard account of cartographic history in the American west is by Carl Irving Wheat, Mapping the Transmississippi West, 1540–1861, vol. 3, From the Mexican War to the Boundary Surveys, 1846–1854 (San Francisco: Institute of Historical Cartography, 1959).Location within modern-day Mexico. The Battle of Buena Vista (February 22–23, 1847), known as the Battle of La Angostura in Mexico, and sometimes as Battle of Buena Vista/La Angostura, was a battle of the Mexican–American War. It was fought between US forces, largely volunteers, [3] under General Zachary Taylor, and the much larger Mexican ...On May 13, 1846, the United States declared war on Mexico, beginning the Mexican-American War. The Mexican-American War is one of the least known pivotal moments in US History. It paved the way for so many other important events, from the expansion and dispossession of indigenous people, the California Gold Rush, and American Civil War.The Mexican War: A Discourse Delivered on the Annual Fast, 1847. 1847. 36 pp. Fiche GH: 33. Brantz, Mayer. History of the War between Mexico and the United States, with a Preliminary View of Its Origin. 1848. 188 pp. Fiche GH: 36. Brantz, Mayer. Mexico as It Was and as It Is. 1847. xii + 390 pp. Fiche GH: 41. Brooks, Nathan Covington.The siege of Fort Texas marked the beginning of active campaigning by the armies of the United States and Mexico during the Mexican–American War. The battle is sometimes called the siege of Fort Brown. [5] Major Jacob Brown, not to be confused with War of 1812 General Jacob Brown, was one of the two Americans killed in action.Image: map showing the extent of Comanche raiding into Mexico during the 1830s and 1840s, from Brian Delay’s “War of a Thousand Deserts: Indian Raids and the U.S.-Mexican War.” The following article is primarily based on Delay’s work, as well as Pekka Hämäläinen’s “The Comanche Empire.” Download the PDF. Support this project.Grade Levels: 6-8, 9-12. *Click to open and customize your own copy of the Mexican-American War Lesson Plan. This lesson accompanies the BrainPOP topic Mexican-American War, and supports the standard of analyzing the causes, course, and consequences of United States westward expansion. Students demonstrate understanding through a variety of ...geography of the Mexican-American War. Students will complete the maps to increase understanding of the territory involved in the war. SPECIFICS The amount of land that changed hands at the end of the Mexican-American War was vast. The territory held a multitude of climates from the most arid in the deserts of Arizona, Nevada, andIn 1835 the American settlers revolted against Mexico and, in the following year, established their own Republic of Texas. Many Americans immediately began to demand that their nation make Texas a part of the United States. The Mexican government warned that this would mean war. In 1844 American elected James K. Polk as the nation's new president.Nevertheless, the Mexican-American War had far-reaching consequences for both the United States, Mexico, and the Indigenous peoples whose land both nations claimed. First among these was the. cession. of about one third of Mexico’s territory to the United States, a landmass of over 338,000,000 acres.The Compromise of 1850 acted as a temporary truce on the issue of slavery, primarily addressing the status of newly acquired territory after the Mexican-American War. Under the Compromise, California was admitted to the Union as a free state; the slave trade was outlawed in Washington, D.C., a strict new Fugitive Slave Act compelled citizens of ...Map of North America if the Mexican-American war never happened. Despite not being so explicit in the lore, the US regions are much poorer than their IRL counterparts. For exemple, Deseret has a third of Utahs GDP despite a slightly bigger population, and California is almost half of its IRL population and GDP. Not to mention the USA itself.American forces withstand Mexican Army attacks. (A) Battle of Palo Alto. May 8. Mexican Army under Mariano Arista in the disputed land between the Rio Grande (Río Bravo) and the Nueces River engage an American army attempting to lift the aforementioned Siege of Fort Texas. (A) Battle of Resaca de la Palma.Mexico, he charged, “has invaded our territory and shed American blood upon American soil. ” Two days after Polk’s speech, Congress declared war on Mexico. The Mexican-American War had begun. The Fall of New Mexico and California A few months later, General Stephen Kearny led the Army of the West out of Kansas.Mexican-American War Map. The conflict between the United States and Mexico in 1846-48 had its roots in the annexation of Texas and the westward thrust of American settlers. On assuming the American presidency in 1845, James K. Polk attempted to secure Mexican agreement to setting the boundary at the Rio Grande and to the sale of northern ...Jul 21, 2023 · Category:Maps of the Mexican-American War From Wikimedia Commons, the free media repository Media in category "Maps of the Mexican-American War" The following 75 files are in this category, out of 75 total. Mexican Cession.png 2,328 × 1,541; 2.81 MB 191 of 'The War with Mexico' (11030261016).jpg 1,544 × 2,593; 1.14 MB The Mexican–American War was an armed conflict between the United States and Mexico from 1846 to 1848. It followed the 1845 U.S. annexation of Texas, which Mexico considered Mexican territory because it did not recognize the Velasco treaty signed by Mexican General Antonio López de Santa Anna when he was a prisoner of the Texian Army during the 1836 Texas Revolution. LA ANGOSTURA, Mexico — On the grassy, windswept hill where soldiers from north and south fought one of the most important battles of the Mexican-American War, the crunch and grind of a sand and ...Treaty of Guadalupe Hidalgo, (Feb. 2, 1848), treaty between the United States and Mexico that ended the Mexican War. It was signed at Villa de Guadalupe Hidalgo, which is a northern neighbourhood of Mexico City. The treaty drew the boundary between the United States and Mexico at the Rio Grande and the Gila River; for a payment of $15,000,000 ...Map of North America if the Mexican-American war never happened. Despite not being so explicit in the lore, the US regions are much poorer than their IRL counterparts. For exemple, Deseret has a third of Utahs GDP despite a slightly bigger population, and California is almost half of its IRL population and GDP. Not to mention the USA itself.Historical Map of North America & the Caribbean (13 May 1846 - Outbreak of the Mexican–American War: With the annexation of Texas, the US inherited that state's boundary dispute with Mexico. In a bid to settle the issue, as well as purchase the Mexican territories of Alta California and New Mexico, President Polk offered to pay $25 million ...From the American Battle Monuments Commission, this site remembers soldiers from the Mexican War who are buried in the Mexico City National Cemetery. Robert E. Lee Mexican War Maps An online exhibit of 30 original military maps owned by Robert E. Lee from the holdings of the Virginia Military Institute. U.S.-Mexican War (1846-1848)Image: map showing the extent of Comanche raiding into Mexico during the 1830s and 1840s, from Brian Delay’s “War of a Thousand Deserts: Indian Raids and the U.S.-Mexican War.” The following article is primarily based on Delay’s work, as well as Pekka Hämäläinen’s “The Comanche Empire.” Download the PDF. Support this project.This is a rare first-edition 1847 John Disturnell and Joseph Goldsborough Bruff map of the Mexico during the Mexican-American War (1846 - 1848). Depicting the region from Chihuahua to the Gulf of Mexico and from the Rio Grande to Mexico City, this map represents the most detailed cartography available to the United States Army at the beginning ...Image: map showing the extent of Comanche raiding into Mexico during the 1830s and 1840s, from Brian Delay’s “War of a Thousand Deserts: Indian Raids and the U.S.-Mexican War.” The following article is primarily based on Delay’s work, as well as Pekka Hämäläinen’s “The Comanche Empire.” Download the PDF. Support this project.Incorporating a map lesson into your instruction of the Mexican-American War is a great way to reinforce and differentiate learning. The map directions require students to label and color code the following: United States, Mexico, the area in dispute, Rio Grande River, Nueces River, Pacific Ocean, and Gulf of Mexico. The Treaty of Guadalupe Hidalgo, signed in February 1848, was a triumph for American expansionism under which Mexico ceded nearly half its land to the United States. The Mexican Cession, as the land west of the Rio Grande was called, included the current states of California, New Mexico, Arizona, Nevada, Utah, and portions of Colorado and Wyoming.Mexican-American War. The Mexican–American War was a conflict between the United States and Mexico that began in April 1846 and ended with the signing of the Treaty of Guadalupe Hidalgo in February 1848. The war was fought mainly in what is now the southwestern United States and Mexico, and resulted in a victory for the United States.American forces withstand Mexican Army attacks. (A) Battle of Palo Alto. May 8. Mexican Army under Mariano Arista in the disputed land between the Rio Grande (Río Bravo) and the Nueces River engage an American army attempting to lift the aforementioned Siege of Fort Texas. (A) Battle of Resaca de la Palma. In Mexican history, the Texas campaign, including the Battle of the Alamo, was soon overshadowed by the Mexican–American War of 1846–1848. In San Antonio de Béxar, the largely Tejano population viewed the Alamo complex as more than just a battle site; it represented decades of assistance—as a mission, a hospital, or a military post.Historical Map of North America & the Caribbean (13 May 1846 - Outbreak of the Mexican–American War: With the annexation of Texas, the US inherited that state's boundary dispute with Mexico. In a bid to settle the issue, as well as purchase the Mexican territories of Alta California and New Mexico, President Polk offered to pay $25 million ...The Mexican War: A Discourse Delivered on the Annual Fast, 1847. 1847. 36 pp. Fiche GH: 33. Brantz, Mayer. History of the War between Mexico and the United States, with a Preliminary View of Its Origin. 1848. 188 pp. Fiche GH: 36. Brantz, Mayer. Mexico as It Was and as It Is. 1847. xii + 390 pp. Fiche GH: 41. Brooks, Nathan Covington.Updated Aug. 02, 2022. Our July Map of the Month is this 1848 “Mexico & Guatemala” map published just before the end of the Mexican-American War by S. Augustus Mitchell. It features a detailed depiction of the various international and state boundaries of Mexico and Central America at the time, many of which were altered soon after this map ...The U.S. - Mexico War (1846-1848) is the largest and most significant armed struggle between two nations in the western hemisphere. Learn more about this historical event by browsing source materials from the United States and Mexico such as proclamations, graphics, letters, and diaries from the collections of the University of Texas at Arlington.In terms of secondary source materials, the standard account of cartographic history in the American west is by Carl Irving Wheat, Mapping the Transmississippi West, 1540–1861, vol. 3, From the Mexican War to the Boundary Surveys, 1846–1854 (San Francisco: Institute of Historical Cartography, 1959).A map of the campaigns of the Mexican-American War, via the US Army As expected, the US quickly moved to protect its borders. American armies would move south from the Rio Grande into Mexico and from Kansas into New Mexico Territory to take Santa Fe. After taking Santa Fe against little opposition, General Kearney headed west to California (map ...The Compromise of 1850 acted as a temporary truce on the issue of slavery, primarily addressing the status of newly acquired territory after the Mexican-American War. Under the Compromise, California was admitted to the Union as a free state; the slave trade was outlawed in Washington, D.C., a strict new Fugitive Slave Act compelled citizens of ...t. e. The Texas Revolution (October 2, 1835 – April 21, 1836) was a rebellion of colonists from the United States and Tejanos (Hispanic Texans) against the centralist government of Mexico in the Mexican state of Coahuila y Tejas. Although the uprising was part of a larger one, the Mexican Federalist War, that included other provinces opposed ...Category:Maps of the Mexican-American War From Wikimedia Commons, the free media repository Media in category "Maps of the Mexican-American War" The following 75 files are in this category, out of 75 total. Mexican Cession.png 2,328 × 1,541; 2.81 MB 191 of 'The War with Mexico' (11030261016).jpg 1,544 × 2,593; 1.14 MBnot even sure its above 1 million residents at the time of the Mexican-American War. much less, in 1840 it had 54k and in 1850 87k, so somewhere between there. Florida didn't break 1m until the 1920s. In 1850 only New York, Pennsylvania, Ohio, Virginia, and Tennessee had over 1m people.The Mexican–American War, also known in the United States as the Mexican War, was an invasion of Mexico by the United States Army from 1846 to 1848. It followed the 1845 American annexation of Texas , which Mexico still considered its territory. March, 1846. General Taylor leads troops past the Nueces River toward the Rio Grande River, through and into the land that both the U.S. and Mexico claimed as its own. April 25, 1846. The Mexican-American War begins when Mexican troops cross north of the Rio Grande River and opened fire on U.S. troops at Fort Texas. May 8, 1846.The Annexation of Texas, the Mexican-American War, and the Treaty of Guadalupe-Hidalgo, 1845–1848. During his tenure, U.S. President James K. Polk oversaw the greatest territorial expansion of the United States to date. Polk accomplished this through the annexation of Texas in 1845, the negotiation of the Oregon Treaty with Great Britain in ...Historical Map of North America & the Caribbean (13 May 1846 - Outbreak of the Mexican–American War: With the annexation of Texas, the US inherited that state's boundary dispute with Mexico. In a bid to settle the issue, as well as purchase the Mexican territories of Alta California and New Mexico, President Polk offered to pay $25 million ... Mexico Texas United States Participants: Mexico United States Major Events: Battle of Buena Vista Battle of Cerro Gordo Battle of Contreras Battle of Palo Alto Battle of Chapultepec ... (Show more) Key People: John A. Logan James K. Polk Antonio López de Santa Anna Zachary Taylor Lewis Wallace See all related content → Top QuestionsThe Mexican American War Map The Mexican American War Map shows an over view of the territorial expansion of the United States and the 1845 Texas Annexation and the 1848 Mexican cession agreed in the Treaty of Guadalupe Hidalgo. The Treaty of Guadalupe Hidalgo granted all land from Texas to California, minus the Gadsden Purchase.Category:Maps of the Mexican-American War From Wikimedia Commons, the free media repository Media in category "Maps of the Mexican-American War" The following 75 files are in this category, out of 75 total. Mexican Cession.png 2,328 × 1,541; 2.81 MB 191 of 'The War with Mexico' (11030261016).jpg 1,544 × 2,593; 1.14 MBLocation within modern-day Mexico. The Battle of Buena Vista (February 22–23, 1847), known as the Battle of La Angostura in Mexico, and sometimes as Battle of Buena Vista/La Angostura, was a battle of the Mexican–American War. It was fought between US forces, largely volunteers, [3] under General Zachary Taylor, and the much larger Mexican ...Jul 30, 2014 · When the war ended, the U.S. had acquired over 500,000 sq. miles of new land, including Texas and the Mexican territories that would eventually become the states of California, Arizona, New Mexico ... Encyclopædia Britannica, Inc. When the United States annexed Texas in 1845, Mexico severed relations with its northern neighbor. U.S. President James K. Polk sent diplomat John Slidell on a secret mission to Mexico to negotiate the disputed Texas border and to purchase the New Mexico and California territories. The Mexican War: A Discourse Delivered on the Annual Fast, 1847. 1847. 36 pp. Fiche GH: 33. Brantz, Mayer. History of the War between Mexico and the United States, with a Preliminary View of Its Origin. 1848. 188 pp. Fiche GH: 36. Brantz, Mayer. Mexico as It Was and as It Is. 1847. xii + 390 pp. Fiche GH: 41. Brooks, Nathan Covington.In terms of secondary source materials, the standard account of cartographic history in the American west is by Carl Irving Wheat, Mapping the Transmississippi West, 1540–1861, vol. 3, From the Mexican War to the Boundary Surveys, 1846–1854 (San Francisco: Institute of Historical Cartography, 1959).Incorporating a map lesson into your instruction of the Mexican-American War is a great way to reinforce and differentiate learning. The map directions require students to label and color code the following: United States, Mexico, the area in dispute, Rio Grande River, Nueces River, Pacific Ocean, and Gulf of Mexico.Introduction. In 1836, Americans living in the Mexican state of Texas had rebelled against the central government in Mexico City and established the so-called Lone Star Republic. When the United States annexed Texas in 1845 and made it a new American state, the United States also inherited a long-smoldering border dispute between the breakaway ...Jun 17, 2022 · From the American Battle Monuments Commission, this site remembers soldiers from the Mexican War who are buried in the Mexico City National Cemetery. Robert E. Lee Mexican War Maps An online exhibit of 30 original military maps owned by Robert E. Lee from the holdings of the Virginia Military Institute. U.S.-Mexican War (1846-1848) See how a border dispute with Mexico caused it to lose nearly half of its territory to the United States. Support this channel with my Patreon!: https://www...Encyclopædia Britannica, Inc. When the United States annexed Texas in 1845, Mexico severed relations with its northern neighbor. U.S. President James K. Polk sent diplomat John Slidell on a secret mission to Mexico to negotiate the disputed Texas border and to purchase the New Mexico and California territories.Map of Mexico between 1836 and 1846, from the secession of Texas, Rio grande, and Yucatán to the Mexican–American War of 1846. On August 22, 1846, due to the war with the United States, the Federal Constitution of the United Mexican States of 1824 was restored. There remained the separation of Yucatán, but 2 years later Yucatán ... 129 wounded. 26 missing. The Battle of Palo Alto ( Spanish: Batalla de Palo Alto) was the first major battle of the Mexican–American War and was fought on May 8, 1846, on disputed ground five miles (8 km) from the modern-day city of Brownsville, Texas. A force of some 3,700 Mexican troops – most of the Army of The North – led by General ...The Mexican Border War was the fifth and last major conflict fought on American soil, its predecessors being the American Revolutionary War, War of 1812, Mexican–American War (1846–1848), and the American Civil War. The end of the Mexican Revolution on December 1, 1920, marked the close of the American Frontier, although the American Indian ...The Treaty of Guadalupe Hidalgo, signed in February 1848, was a triumph for American expansionism under which Mexico ceded nearly half its land to the United States. The Mexican Cession, as the land west of the Rio Grande was called, included the current states of California, New Mexico, Arizona, Nevada, Utah, and portions of Colorado and Wyoming. Map of the Battle of Resaca de la Palma - May 9, 1846. Reference Maps on the Aftermath of the Mexican-American War 1846-1848. Fourteen Maps of the United States: Territorial Growth 1775-1970. Three Maps of the United States: Expansion 1783-1854. Map of the Expansion of the United States 1783-1907. Four Maps of the Organization of Territories in ...See full list on britannica.com Map of Mexico between 1836 and 1846, from the secession of Texas, Rio grande, and Yucatán to the Mexican–American War of 1846. On August 22, 1846, due to the war with the United States, the Federal Constitution of the United Mexican States of 1824 was restored. There remained the separation of Yucatán, but 2 years later Yucatán ...Mexico attacked in April 1846, and when the Mexican-American War ended in February 1848, the border we see today began to take shape. On the east, the line would follow the Rio Grande.The U.S. - Mexico War (1846-1848) is the largest and most significant armed struggle between two nations in the western hemisphere. Learn more about this historical event by browsing source materials from the United States and Mexico such as proclamations, graphics, letters, and diaries from the collections of the University of Texas at Arlington.The Mexican War: A Discourse Delivered on the Annual Fast, 1847. 1847. 36 pp. Fiche GH: 33. Brantz, Mayer. History of the War between Mexico and the United States, with a Preliminary View of Its Origin. 1848. 188 pp. Fiche GH: 36. Brantz, Mayer. Mexico as It Was and as It Is. 1847. xii + 390 pp. Fiche GH: 41. Brooks, Nathan Covington.Incorporating a map lesson into your instruction of the Mexican-American War is a great way to reinforce and differentiate learning. The map directions require students to label and color code the following: United States, Mexico, the area in dispute, Rio Grande River, Nueces River, Pacific Ocean, and Gulf of Mexico. Historical Map of North America & the Caribbean (13 May 1846 - Outbreak of the Mexican–American War: With the annexation of Texas, the US inherited that state's boundary dispute with Mexico. In a bid to settle the issue, as well as purchase the Mexican territories of Alta California and New Mexico, President Polk offered to pay $25 million ... Prior to the Mexican–American War Map of Mexico in 1842. 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 was part of New Spain.When the war ended, the U.S. had acquired over 500,000 sq. miles of new land, including Texas and the Mexican territories that would eventually become the states of California, Arizona, New Mexico ...The Mexican Cession ( Spanish: Cesión mexicana) is the region in the modern-day southwestern United States that Mexico originally controlled, then ceded to the United States in the Treaty of Guadalupe Hidalgo in 1848 after the Mexican–American War. This region had not been part of the areas east of the Rio Grande that had been claimed by the ... American forces withstand Mexican Army attacks. (A) Battle of Palo Alto. May 8. Mexican Army under Mariano Arista in the disputed land between the Rio Grande (Río Bravo) and the Nueces River engage an American army attempting to lift the aforementioned Siege of Fort Texas. (A) Battle of Resaca de la Palma. Category:Maps of the Mexican-American War From Wikimedia Commons, the free media repository Media in category "Maps of the Mexican-American War" The following 75 files are in this category, out of 75 total. Mexican Cession.png 2,328 × 1,541; 2.81 MB 191 of 'The War with Mexico' (11030261016).jpg 1,544 × 2,593; 1.14 MBBattle of Matamoros, May 15-16, 1846. The conquest of California, June 1846-Jan. 1847. Battle of Sacramento. Invasion from Veracruz to Mexico City. Scott's advance on Mexico City, March-Sept. 1847.Jul 21, 2023 · Category:Maps of the Mexican-American War From Wikimedia Commons, the free media repository Media in category "Maps of the Mexican-American War" The following 75 files are in this category, out of 75 total. Mexican Cession.png 2,328 × 1,541; 2.81 MB 191 of 'The War with Mexico' (11030261016).jpg 1,544 × 2,593; 1.14 MB Maps nos. 35, 36, 37, and 38 published separately in LC Civil War Maps (2nd ed.) under entry nos. 30, 42, 51, and 76 respectively. ... Map The Mexican War, 1846-1848 ...
The Mexican–American War, also known in the United States as the Mexican War, was an invasion of Mexico by the United States Army from 1846 to 1848. It followed the 1845 American annexation of Texas , which Mexico still considered its territory. . How to fix code xre 00250
geography of the Mexican-American War. Students will complete the maps to increase understanding of the territory involved in the war. SPECIFICS The amount of land that changed hands at the end of the Mexican-American War was vast. The territory held a multitude of climates from the most arid in the deserts of Arizona, Nevada, andJun 17, 2022 · From the American Battle Monuments Commission, this site remembers soldiers from the Mexican War who are buried in the Mexico City National Cemetery. Robert E. Lee Mexican War Maps An online exhibit of 30 original military maps owned by Robert E. Lee from the holdings of the Virginia Military Institute. U.S.-Mexican War (1846-1848) Mexican-American War. The Mexican–American War was a conflict between the United States and Mexico that began in April 1846 and ended with the signing of the Treaty of Guadalupe Hidalgo in February 1848. The war was fought mainly in what is now the southwestern United States and Mexico, and resulted in a victory for the United States.The Mexican–American War, also known in the United States as the Mexican War, was an invasion of Mexico by the United States Army from 1846 to 1848. It followed the 1845 American annexation of Texas , which Mexico still considered its territory. In this map, the top edge of the colored area reveals the Mexico-US border in the year 1830. The difference in Mexico’s northern boundary between then and today reveals all that was lost during Santa Anna’s career, as a result of: Texan independence (Treaty of Velasco, 1836), the Mexican-American War (Treaty of Guadalupe Hidalgo, 1848), and the Treaty of Mesilla (also known as the Gadsden ...See full list on britannica.com Nevertheless, the Mexican-American War had far-reaching consequences for both the United States, Mexico, and the Indigenous peoples whose land both nations claimed. First among these was the. cession. of about one third of Mexico’s territory to the United States, a landmass of over 338,000,000 acres.See how a border dispute with Mexico caused it to lose nearly half of its territory to the United States. Support this channel with my Patreon!: https://www...A map of the campaigns of the Mexican-American War, via the US Army As expected, the US quickly moved to protect its borders. American armies would move south from the Rio Grande into Mexico and from Kansas into New Mexico Territory to take Santa Fe. After taking Santa Fe against little opposition, General Kearney headed west to California (map ...The Mexican War: A Discourse Delivered on the Annual Fast, 1847. 1847. 36 pp. Fiche GH: 33. Brantz, Mayer. History of the War between Mexico and the United States, with a Preliminary View of Its Origin. 1848. 188 pp. Fiche GH: 36. Brantz, Mayer. Mexico as It Was and as It Is. 1847. xii + 390 pp. Fiche GH: 41. Brooks, Nathan Covington.Extremely detailed map showing Gen. Winfield Scott's Mexico City campaign during the Mexican War, Aug.-Sept. 1847. It outlines Mexican and American troop dispositions and movements during the three major battles around Mexico City: Contreras, Churubusco, and Molino del Rey (the fortress at Chapultepec). It details the topography and nineteenth ... The Treaty of Guadalupe Hidalgo, signed in February 1848, was a triumph for American expansionism under which Mexico ceded nearly half its land to the United States. The Mexican Cession, as the land west of the Rio Grande was called, included the current states of California, New Mexico, Arizona, Nevada, Utah, and portions of Colorado and Wyoming. When the war ended, the U.S. had acquired over 500,000 sq. miles of new land, including Texas and the Mexican territories that would eventually become the states of California, Arizona, New Mexico ...Nov 9, 2009 · The Mexican-American War was a 1846-1848 conflict over vast territories in the American West, which the Treaty of Guadalupe Hidalgo gave to the United States. Shows This Day In History... The U.S. - Mexico War (1846-1848) is the largest and most significant armed struggle between two nations in the western hemisphere. Learn more about this historical event by browsing source materials from the United States and Mexico such as proclamations, graphics, letters, and diaries from the collections of the University of Texas at Arlington. The catalyst for the Mexican-American War was the U.S. annexation of Texas on 29 December 1845. When Mexico responded by ending diplomatic relations with the U.S. government, President James K. Polk asked Congress to declare war on Mexico. Polk took advantage of the animosity between the two nations to advance a political agenda focused on Manifest Destiny (the belief that the U.S. was ...Nevertheless, the Mexican-American War had far-reaching consequences for both the United States, Mexico, and the Indigenous peoples whose land both nations claimed. First among these was the. cession. of about one third of Mexico’s territory to the United States, a landmass of over 338,000,000 acres..