The St. Patrick's Battalion—known in Spanish as el Batallón de los San Patricios —was a Mexican army unit comprised primarily of Irish Catholics who had defected from the invading US army during the Mexican-American War. The St. Patrick's Battalion was an elite artillery unit which inflicted great damage on the Americans during the battles ...views 1,880,530 updated May 23 2018. Mexican War (1846–48).After weeks of fruitless diplomacy, the United States and the republic of Mexico declared war on each other in the spring of 1846. By the 1840s, many Americans held the view that the United States should reach from the Atlantic all the way to the Pacific Ocean.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.The Pancho Villa Expedition—now known officially in the United States as the Mexican Expedition, but originally referred to as the "Punitive Expedition, U.S. Army" —was a military operation conducted by the United States Army against the paramilitary forces of Mexican revolutionary Francisco "Pancho" Villa from March 14, 1916, to February 7, 1917, during the Mexican Revolution of 1910–1920.The 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.The Mexican-American War Overview Map highlights the disputed territory that caused a war between Mexico and the United States. This United States Army produced map also highlights the blockades set by the United States Military and the important military battles of the war. This map is deceiving, at a casual glance it appears to be a map of ...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)The Mexican-American war in a nutshell. May marks two key anniversaries in the conflict between the United States and Mexico that set in motion the Civil War—and led to California, Texas, and eight other states joining the Union. On May 13, 1846, the United States Congress declared war on Mexico after a request from President James K. Polk.Texas Revolution, also called War of Texas Independence, war fought from October 1835 to April 1836 between Mexico and Texas colonists that resulted in Texas’s independence from Mexico and the founding of the Republic of Texas (1836–45). Although the Texas Revolution was bookended by the Battles of Gonzales and San Jacinto, armed conflict ...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.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 ...November 27 – December 8, 1847 – Siege of La Paz – A second Mexican attack on La Paz, Mexico, ends in an American victory. January 22 – February 14, 1848 – Siege of San José del Cabo – A failed Mexican siege of San Jose del Cabo. January – August 1848 – Mexican partisans resisted the U.S. Army of Occupation.Mexican-American War Battle Flags. Below is a an example of a Mexican-American War battle flag found in our museum collections. Description: Captain Schuyler Hamilton carried this national flag, the colors of the 1st Ohio Volunteer Infantry (O.V.I.), in the battle of Monterrey in September 1846 during the Mexican War.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 ...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 QuestionsWe would like to show you a description here but the site won’t allow us.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, andAmerican 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. 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 ...See full list on britannica.com The lesson includes a reading from Zinn’s chapter, “We Take Nothing by Conquest, Thank God.”. Here is an excerpt. Frederick Douglass wrote in his Rochester newspaper the North Star, January 21, 1848, of “the present disgraceful, cruel, and iniquitous war with our sister republic. Mexico seems a doomed victim to Anglo Saxon cupidity and ...However, Mexico did keep the southern state of Chiapas. It lost another 55% of its territory as a result of Texas independence and its war with the United States (1846-1848) and then sold a much smaller southern slice of Arizona and New Mexico in 1854 (Gadsden Purchase/La Mesilla).Mexican War Dead or Veterans 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 ...The Treaty of Guadalupe Hidalgo [a] officially ended the Mexican–American War (1846–1848). It was signed on 2 February 1848 in the town of Guadalupe Hidalgo. After the defeat of its army and the fall of the capital in September 1847, Mexico entered into peace negotiations with the U.S. envoy, Nicholas Trist. The resulting treaty required ...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 ...Show the class a map of the United States before the Mexican-American War and discuss the problems between America and Mexico regarding western lands, including Texas, prior to the war.10. It had one of the highest casualty rates of any American war. The U.S. never a lost a major battle during the Mexican-American War, but the victory still proved costly. Of the 79,000 American ...The Mexican War (also known as the Mexican-American War, the First American Intervention, and the U.S.–Mexican War) resulted from the annexation of Texas by the United States in 1845. Thirty-five thousand U.S. Army troops and 73,000 state volunteers fought in this war. Most volunteer regiments were from southern states, such as Louisiana, Tennessee, Missouri, and Texas. The war took place ...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.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 ...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.The Pancho Villa Expedition—now known officially in the United States as the Mexican Expedition, but originally referred to as the "Punitive Expedition, U.S. Army" —was a military operation conducted by the United States Army against the paramilitary forces of Mexican revolutionary Francisco "Pancho" Villa from March 14, 1916, to February 7, 1917, during the Mexican Revolution of 1910–1920.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. 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 ...The St. Patrick's Battalion—known in Spanish as el Batallón de los San Patricios —was a Mexican army unit comprised primarily of Irish Catholics who had defected from the invading US army during the Mexican-American War. The St. Patrick's Battalion was an elite artillery unit which inflicted great damage on the Americans during the battles ...The Treaty of Guadalupe Hidalgo [a] officially ended the Mexican–American War (1846–1848). It was signed on 2 February 1848 in the town of Guadalupe Hidalgo. After the defeat of its army and the fall of the capital in September 1847, Mexico entered into peace negotiations with the U.S. envoy, Nicholas Trist. The resulting treaty required ...Winter 1997, Vol. 29, No. 4 | Genealogy Notes By Mitchell Yockelson Part 1 of this article in the fall issue (Vol. 29, No. 3) discussed the tumult following the 1910 Mexican Revolution and American concerns over the civil war in Mexico. Pancho Villa's raid on Columbus, New Mexico, on March 9, 1916, prompted the United States to organize an expedition in retaliation. While the army prepared for ...You are viewing an original 1847 Map of Mexico, at the time of the Mexican War . It Covers the United States southwest of Georgia and Iowa, and south of Oregon Territory . It clearly features the Republic of Texas, which was the cause of the dispute. Insets describe the battlegrounds of the 8th and the 9th, May 1846, Plan of Monterey and its ...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.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 Mexican-American War Maps This map shows some of the major battles and campaigns during the Mexican-American War. This image was created by Kaidor in 2012. This image is courtesy of Wikimedia Commons.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.Please see the talk page for more information. (April 2019) The Battle of Cerro Gordo, or Battle of Sierra Gordo, [2] was an engagement in the Mexican–American War on April 18, 1847. The battle saw Winfield Scott 's United States troops outflank Antonio López de Santa Anna 's larger Mexican army, driving it from a strong defensive position.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.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.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. However, Mexico did keep the southern state of Chiapas. It lost another 55% of its territory as a result of Texas independence and its war with the United States (1846-1848) and then sold a much smaller southern slice of Arizona and New Mexico in 1854 (Gadsden Purchase/La Mesilla).The Treaty of Guadalupe Hidalgo [a] officially ended the Mexican–American War (1846–1848). It was signed on 2 February 1848 in the town of Guadalupe Hidalgo. After the defeat of its army and the fall of the capital in September 1847, Mexico entered into peace negotiations with the U.S. envoy, Nicholas Trist. The resulting treaty required ...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 ...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 ...In the spring of 1846, tensions mounted between the United States and Mexico, and the Mexican-American War (1846-1848) started, in part, over a border dispute between the two countries. Mexico claimed the Nueces River to be Texas’s southern border, but the United States insisted the border lay further south at the Rio Grande River.The Mexican-American War Overview Map highlights the disputed territory that caused a war between Mexico and the United States. This United States Army produced map also highlights the blockades set by the United States Military and the important military battles of the war. This map is deceiving, at a casual glance it appears to be a map of ...The Battle of Contreras was fought on August 19-20, 1847, during the Mexican-American War. Advancing on Mexico City, American troops opened the Battle of Contreras by attacking Mexican forces led by Gen. Gabriel Valencia. Defeating the Mexicans at Contreras, American forces won again at Churubusco on the 20th.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.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 ...not 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 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 ... 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 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 ...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–American War, [a] also known in the United States as the Mexican War, [b] 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.The Treaty of Guadalupe Hidalgo [a] officially ended the Mexican–American War (1846–1848). It was signed on 2 February 1848 in the town of Guadalupe Hidalgo. After the defeat of its army and the fall of the capital in September 1847, Mexico entered into peace negotiations with the U.S. envoy, Nicholas Trist. The resulting treaty required ...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 ...Mexican-American War Battle Flags. Below is a an example of a Mexican-American War battle flag found in our museum collections. Description: Captain Schuyler Hamilton carried this national flag, the colors of the 1st Ohio Volunteer Infantry (O.V.I.), in the battle of Monterrey in September 1846 during the Mexican War.You are viewing an original 1847 Map of Mexico, at the time of the Mexican War . It Covers the United States southwest of Georgia and Iowa, and south of Oregon Territory . It clearly features the Republic of Texas, which was the cause of the dispute. Insets describe the battlegrounds of the 8th and the 9th, May 1846, Plan of Monterey and its ...Molino del Rey, 8 September 1847 .On 8 September 1847, the Americans launched an assault on Molino del Rey, themost important outwork of Chapultepec. It was taken after a bloody fight, inwhich the Mexicans suffered an estimated 2,000 casualties and lost 700 as prisoners,while perhaps as many as 2,000 deserted. 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.Original Border (1828) In 1821, Mexico won a war against Spain where it won Mexico their independence. Mexico had claimed a huge part of land, roughly around 5,000,000 kilometers squared. A lot of the land was lost due to a war that erupted further along the timeline. Mexico - US Border.In 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.The Conquest of California, also known as the Conquest of Alta California or the California Campaign, was an important military campaign of the Mexican–American War carried out by the United States in Alta California (modern-day California ), then a part of Mexico. The conquest lasted from 1846 into 1847, until military leaders from both the ...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 ...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 ...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 ...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.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 ...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 ...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 ...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 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 conquest of land west of the Rio Grande was called, included the current states of California, New Mexico, Arizona, Nevada, Utah, and portions of ...We would like to show you a description here but the site won’t allow us.
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 .... 530 752 1011
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.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. 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.November 27 – December 8, 1847 – Siege of La Paz – A second Mexican attack on La Paz, Mexico, ends in an American victory. January 22 – February 14, 1848 – Siege of San José del Cabo – A failed Mexican siege of San Jose del Cabo. January – August 1848 – Mexican partisans resisted the U.S. Army of Occupation.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 full list on britannica.com 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 ...The U.S.-Mexican War, 1846-1848 An outstanding site for just browsing or for conducting serious research on the Mexican-American War. Images, documents, maps, timelines, statistics, and much more is brought to you by the Descendants of Mexican War Veterans. Easy-to-navigate and beautifully illustrated. Report broken linkNov 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 Conquest of California, also known as the Conquest of Alta California or the California Campaign, was an important military campaign of the Mexican–American War carried out by the United States in Alta California (modern-day California ), then a part of Mexico. The conquest lasted from 1846 into 1847, until military leaders from both the ...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 ...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 Mexican-American War was a defining moment in Mexican history. Initiated due to territorial disputes over modern-day Texas, the war was fought from 1846-1848 and ended with the Treaty of Guadalupe Hidalgo in which Mexico formally ceded approximately 525,000 square miles of territory to the United States..