Manifest Destiny
This was the country’s perception that it was North America’s destiny to spread out across the continent towards the Pacific Ocean. The American people were interested and determined to expand the great nation for several factors, a few of which …show more content…
"Shed American blood on American soil!" This war was started of a boundary difference between the United States and Mexico. Texas claimed its southern boundary to include the Rio Grande. However, Mexico stated it was the Nueces River. President Polk ultimately had to send in troops to the Rio Grande as Mexico was attempting to reclaim land in Texas as their own. President Polk started the war after he received word that Mexico had fired shots, he stated that they "shed American blood on American soil!" Eventually the American troops were able to seize Mexico City and the fighting ended. The Treaty of Guadalupe Hidalgo in 1848 officially ended the war. The treaty recognized Texas as part of the United States and made the Rio Grande the official border. America was able to expand their land due to the treaty, known as the Mexican Cession. This land included California, Nevada, Utah, New Mexico, Colorado, and