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Mexican War (1846-1848): Expansion and the Impact on Slavery

This video explores the Mexican War period and its impact on the expansion of the United States. It discusses how the desire for territorial expansion led to conflict with Mexico, and the implications this had on the issue of slavery.

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Mexican War (1846-1848): Expansion and the Impact on Slavery

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  1. Mexican War (1846-1848) If the nation expands, so will slavery - ?

  2. Crash Course US History #17 • https://www.youtube.com/watch?v=tkdF8pOFUfI • War and Expansion

  3. Presidency Videos • James K. Polk Presidency Video

  4. TEXAS Fight for Independence • Mexico owned Texas and wanted more settlers to move there. They offered cheap land to new settlers, convincing many Americans to move. • Stephen Austin became one of the first empresarios to convince many Americans to settle in Texas.

  5. Continuing the Fight • The Mexican government wanted the new settlers to adopt Mexican customs, learn Spanish and convert to Catholicism. Most did not and also did not associate with native Mexicans. • Mexico closed its borders in 1830.

  6. The rise of Santa Anna • 1833, Stephen Austin started pushing for Texas’ independence. He tried to work out agreements with Mexican President Santa Anna. • In April, 1834, Santa Anna made himself dictator of Mexico. The next year, Austin urged Texans to organize an army and move toward independence.

  7. THE ALAMO • The most famous battle between the Texans and Mexicans occurred at the Alamo. This was an old Spanish mission, where about 150 Texans held out to fight Santa Anna’s men. • The small band of Texans held out for 13 days. When Santa Anna’s forces attacked, the only survivors were women, children and a few servants. • Davy Crockett and Jim Bowie were among the dead. • “Remember the Alamo” became the new battle cry.

  8. Battle of SAN JACINTO • Sam Houston, chief of the Texas forces, was waiting for a chance to fight Santa Anna. On April 21, 1836, while Santa Anna’s soldiers were napping in their camp, the Texans attacked.

  9. The Clash between Texas and Mexico • The Mexican troops were so startled that Houston’s men were able to kill hundreds and take 700 prisoners, including Santa Anna. • Houston convinced Santa Anna to withdraw from Texas, and sign a treaty recognizing their independence. The Mexican government did not accept the treaty, but ended the military campaign. Texas became a nation. • Texas asked for annexation as a slave state. Mexico still claimed ownership of the territory. These reasons made statehood more difficult and Texas remained a separate nation for ten years.

  10. Battle of San Jacinto

  11. Sam Houston was elected President of Texas in September of 1836

  12. Electing a New President • In 1844, James K. Polk became President. His goal was to annex Texas and the Oregon Territory and to purchase California from Mexico. • Polk insisted that the US had rights to the entire Oregon Territory even though Britain had claimed the land for years. • Polk had campaigned with the slogan, “Fifty-four Forty or Fight” – meaning that the boundary should be drawn at the 54 40’ latitude line. • Britain and the US agreed to divide the territory along the 49th parallel. This later became the states of Washington, Oregon and Idaho.

  13. The Annexation of Texas • In 1845, Congress passed a resolution to annex Texas and became a state • This outraged the Mexican government. To make matters worse, the two countries had disagreed over the border between Texas and Mexico. • Mexico set the border at the Nueces River, the US set it at the Rio Grande. • In 1845, President Polk sent John Slidell to Mexico City to try to resolve the issue. The Mexican president wouldn’t even meet with him. • This ruined any real chances of settling the dispute

  14. Continuing the Invasion • In January, 1846, General Zachary Taylor led American troops into the disputed territory. • On May 9, Mexicans attacked the Americans, starting a war with Mexico. • The strategy involved crossing the Rio Grande, sending a force to capture Santa Fe, and then moving west to take California. • Before the war actually started, settlers in California led an uprising which resulted in California declaring independence.

  15. The War with Mexico Begins (1846-1848) • After the meeting with Slidell and Taylor did not work, Polk asked Congress for a declaration of war, which came on May 13, 1846 • Congress believed that this was just another part of America’s Manifest Destiny. • Critics believed that this altercation was Polk’s expansionist policies and calculated idea of getting Mexico

  16. Invading Mexico • General Winfield Scott captured Mexico City in September of 1847.

  17. The Mexican War Ends • The Treaty of Guadalupe Hidalgo was signed in 1848. Mexico gave the US over 500,000 square miles (including California, Nevada, Utah, Arizona, New Mexico, Colorado, and Wyoming) and set the border with Texas at the Rio Grande River. • The US paid Mexico $15 million and cancelled $3.25 million in debts owed by the Mexican government.

  18. IF THE NATION EXPANDS, WILL SLAVERY?

  19. Slavery in America Motion • http://en.wikipedia.org/wiki/File:US_Slave_Free_1789-1861.gif

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