Event 2: Border dispute leads to war in June, 1845!
Event 3: Bear Flag Revolt in Sonoma
Texas had gained control of itself and was annexed into the U.S. Some believed that it was manifest destiny to settle there to spread democracy.
Event 4: General Taylor drives Santa Anna's forces deep into Mexico... Mexico City is taken by Sept., 1847
Mexico and America had disputes over their borders. America thought that it lay along the Rio Grande. Mexico thought it lay along the Nueces River. General James K. Polk sent Zachary Taylor to lead an army into the disputed nation.
Event 5: Treaty of Guadalupe Hidalgo (1848) ends the War and gives the U.S. 500,000 square miles of territory
Americans declared California as an independent nation.
Event 6: Gadsen Purchase allows the U.S. to purchase even more of Mexico's land in December, 1853
After a truce failed, the U.S. attacked Mexico City. Mexico City then fell and General Santa Anna of Mexico fled the country.
The Treaty of Guadalupe Hildago gave the U.S. all of California, Nevada, and Utah. Most of Arizona and New Mexico, and part of Colorado and Wyoming. The U.S. paid $15 million for them.
Treaty of Guadalupe Hidalgo
The Gadsen Purchase cost $10 million but we got parts of Arizona and New Mexico with it.