Mexican War Dbq Analysis

The mexican war started in 1945 when the annexation of Texas took place. After the annexation , Mexico and America had a disagreement on what the border of Texas was. The U.S. thought that the border was the Rio Grande , while Mexico thought it was the Nueces River. This quarrel then led to the war , the prize being the land. The United States was justified in going to war with Mexico because America believed in manifest destiny and that God gave them the land to overspread and also because 16 Americans were killed by Mexicans on American territory. The United States was justified in going to war with Mexico because America believed in manifest destiny and that God gave them the land to overspread. Document A is a magazine written in July, 1845 by John L O’Sullivan. This Document addresses the topic of the annexation of Texas. According to John O’ Sullivan in Document A , “Other nations have undertaken .. hostile interference against us .. hampering our power , limiting our greatness and checking the fulfillment of our manifest destiny to overspread the continent allotted by providence for the free development of our yearly multiplying millions.” John O’Sullivan is saying that God has given the U.S. this land to take over so that our population can expand and grow. Also , that other countries have been against this …show more content…
Document B is a war message by President James Polk on May 11 , 1846. Document B states “Mexico has passed the boundary of the United States , has invaded our territory and shed American blood upon American soil.” President James Polk is saying that Mexicans invaded America’s territory and killed or wounded Americans. This justifies the United States in going to war with Mexico because Mexicans have killed Americans in their own territory , which is clearly a way of Mexico telling America that they want to battle