Mexican War

1. Mexican War Calder Lloyd Stephen Goldsman Michele Scott

2. Migration • Migration into western areas from US picked up in the 1830’s and 1840’s • They believed it was there Devine Mission

3. Annexation of Texas • 1836, Texans won independence from Mexico • Texans wanted to be annexed by the US • Annexed: joined in the union

4. Annexation of Texas: Northerners vs. Southerners • Southerners and Democrats agreed on letting Texas join the union  • More slave states for south  • Northerners and Whigs didn’t want the annexation  • Made south more powerful  • Both , though feared a war with Mexico

5. Annexation of Texas: John Tyler & James Polk • James Polk stated that the Americans should have more land/territory and that majority of Americans wanted more land  • annexation was passed • Month later Mexico broke off relationswith U.S. John Tyler drew up a treaty of annexation Didn’t pass because of the Whig majority in the senate 

6. War with Mexico • March 1845 Mexico broke off diplomatic relations with U.S. • Mexico claimed the Nueces River • President Polk and other Southern Democrats wanted more than just Texas Polk sent John Slidell to offer 30 million $ to buy New Mexico and California

7. War with Mexico • Polk sent 3,000 troops under Zachary Taylor into Southern Texas • Mexico viewed this as an invasion and prepared for action • May 13th, 1846 the Mexican Warbegins

8. Bear Flag Revolt • The revolt was led by William B. Ide • On June 14 settlers launched a surprise attack on the town of Sonoma The settler’s flag is a bear with a star on it which is why the revolt is called the bear flag revolt • In July 1846, United States crossed into New Mexico

9. Bear Flag Revolt • In July 1846, United States crossed into New Mexico • After occupying Santa Fe, General Kearny took part of his army and marched west to California • By January 1847 the United States had taken control of New Mexico and California

10. Fighting in Mexico • While crossing the Rio Grande, General Taylor won a series of victories, leading to the Battle of Buena Vista in February 1847 • Here he met Santa Anna, who had an army of 20,000 Mexican troops north from Mexico City • Taylor’s army wan the battle, which left hundreds killed and wounded on both sides

11. Fighting in Mexico • In March 1847, Scott captured the port city Veracruz • Then he marched his army of 10,000 men toward Mexico City • After fierce fighting, Scott defeated Santa Anna’s forces and captured the Mexican capital

12. Treaty of Guadelupe Hidalgo • Signed Feb 2 1848 • Mexico gave up it’s claim to Texas and made the Rio Grande the southern border of Texas. • Mexico gave New Mexico + California • more than 2/5 of it’s territory) to the U.S. • The U.S. paid Mexico 15 million • The U.S. agreed to pay claims made by American citizens against Mexicans, which would amount to more than 3 million.

13. Gadsden Purchase • Mexican government sold 30,000 square miles of New Mexico and Arizona to America for $10 million

14. Discussion of Oregon • Established the boundaries of America and Mexico

15. The Effects of the Mexican War • Shoved slavery into American politics • The Civil War