Manifest destiny also affected the relationship with Mexico. Several factors led to the Mexican- American War in 1846. The factors were that the U.S citizens were moving into California and Mexico. Since there were many revolutions happening in Mexico throughout this time period the Mexican government was not able to protect the U.S citizens in this region. Another factor was that Mexico was upset that Texas declared independence from them and then the U. S annexed Texas in 1845. The way they claimed annexed was by saying the Rio Grande was the southern boundary of Texas but Mexico said it was the Nueces River. In regards to the war, Americans were greatly divided. The northerners hated it because of the fact that Texas favored slavery. Those in the south liked the idea of a war because it would help expand to the west. This expansion would provide more land and opportunity. The war was one-sided due to the fact that the United States won most of the battles. The problem with this was that México refused to negotiate after every loss, so the war had to go on for longer than it had to be. Since Mexico refused to negotiate …show more content…
Manifest Destiny changed the United States socially, economically and politically. It was affected socially because it became more culturally diffused; it also affected relationship with the Native Americans due to the Americans belief that they were the better race and others were inferior to them. It was affected economically because there was more land to profit off of and politically it damaged the United States and Mexico’s foreign relations. Those who believed in the manifest destiny forcefully removed Native Americans from their lands in order for the United States to gain more land. America was shifted politically, due to new tense relations with Mexico, as an effect of the Mexican