Mexican American War Justified Dbq Essay

It was April 25, 1846. The Mexican military invaded Texas, a disputed territory. When the U.S. military came to attack, the Mexicans killed 16 Americans. This is one of the many events leading to the Mexican American War. The Mexican-American War was a major war over Mexico’s land. This war happened mainly because the U.S. wanted to expand to the Pacific Ocean to fulfill their Manifest Destiny, trying to take away Mexico’s land. Mexico refused to to give land to the U.S. The big question is whether the U.S. was justified in fighting Mexico in the Mexican-American War. The United States was justified in going to war with Mexico because Manifest Destiny, too much Mexican interference, and Texas was invaded. One reason the Mexican War was justified was Manifest Destiny. In Document A, John O’Sullivan writes: “Texas is now ours...Let their reception into the “family be frank, kindly, and cheerful….” He also wrote that we have “our manifest destiny to overspread the continent allotted by Providence for the free development of our yearly multiplying millions.” This evidence shows the U.S. was justified in going to war because of Manifest Destiny, which eventually expanded the U.S. This was said to improve the American economy. A second reason the

In Document B, President Polk said, “I had ordered and efficient military force to take a position...to meet a threatened invasion of Texas by the Mexican forces….invasion was threatened solely because Texas had determined….to annex herself to our Union,...it was plainly our duty to extend our protection over her citizens and soil.” President Polk then mentioned the attack at the Rio del Norte, where the invasion in Texas happened. This evidence shows the US was justified in going to war with Mexico because Texas was invaded by Mexico, meaning that the U.S. should protect Texas by fighting