Event 2: Border dispute leads to war in June, 1845!
Event 1: Bear Flag Revolt in Sonoma (near S.F.)
The U.S. annexing Texas supported the idea of the Manifest Destiny because the U.S. acquired more land.
Event 4: General Taylor drives Santa Anna's forces deep into Mexico... Mexico Ciry is taken by September, 1847
President James K. Polk was determined to get Texas and New Mexico from Mexico. The president ordered General Zachary Taylor to lead U.S forces into the disputed area on the Rio Grande. Mexico believed the border was at the Nueces River and the U.S. believed it was at the Rio Grande River.
Event 5: Treaty of Guadalupe Hidalgo (1848) end the war and gives the U.S. 500,000 sq. miles of territory
American settlers took over the regional headquarters of the Mexican Army. They declared California a new country called the California Republic.
Event 6: Gasden Purchase allows the U.S. to purchase even more of Mexico's land in December, 1853
In Mexico General Taylor finally got the reinforcements he needed. He drove his forces deep into enemy lands. General Santa Anna quickly went after Taylor. General Scott took over Taylor's position and when a treaty failed Scott invaded Mexico City. On September 14, 1847 Mexico City fell and Santa Anna fled the country.
The Treaty of Guadalupe Hidalgo officially ended the war and forced Mexico to turn over much of its northern territory to the U.S. The land included the present day states of California, Nevada, Utah, most of Arizona, New Mexico, Colorado and Wyoming. The United States also won the area claimed by Texas north of the Rio Grande. The U.S. also agreed to pay Mexico $15 million for the land.
In 1853 the U.S. minister to Mexico James Gadsen made an agreement with Mexico. The U.S. paid Mexico $10 million. In exchange the United Stated received the southern parts of Arizona and New Mexico