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Mexican American War

Known as Mexican War and US Mexican War
There was an armed conflict between the United States of America and the Mexican States from 1846 to 1848
Why: Mexico considered part of its territory despite the Texas Revolution

hypocrite?

Manifest Destiny

Meanwhile, President Polk's spirit of Manifest Destiny was focusing U.S. on westward expansion
Its speaking about westward expansion and how beneficial it is.
Remember the Louisiana Purchase Was less than 50 years

Polk Wants War!

Santa Anna: 2nd Chance

Once the US Declared war on Mexico, Antonio Lopez de Santa Anna wrote to Mexico City saying he no longer had aspirations to the presidency but would eagerly use his military experience to fight off the foreign invasion of Mexico as he had before
Santa Anna had secretly been dealing with the representatives of the US, pledging if he was let back into mexico he would sell all contested land to the US at a reasonable price.
Once he was back into Mexico at the head of an army, he broke his promise on both agreements. he declared himself president and tried to fight off the US but that didn't work

April 25th 1846

Thornton Affair: Mariano Arista fires on American troops across the Rio Grande

September 21 1846

Battle of Monterrey: Taylor, with 6220 men defeats Pedro Ampudia had 10,00 men

February 22, 1847

Battle of Buena Vista: Taylor,with 4,500 men crushed Santa Anna who had 20,000 men

September 12, 1847

Battle of Chapultepec: 13,000 Americans attack fort outside mexico city

September 14, 1847

Captured Mexico City

February 2, 1848

Treaty of Guadalupe Hidalgo: american Purchases the Mexican cession and ends the war

Mexico lost 55% of its territory

America Added 1.2 million square miles

Research

What was more beneficial for expansion: Louisiana Purchase or the results of the Treaty of Guadalupe Hidalgo

Key Player for the US side Research

James Polk

Zachary Taylor

Robert E. Lee

Ulysses S. Grant

Millard Fillmore

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