One reason the Mexican War was justified was the Manifest Destiny. Manifest Destiny is a belief that God wanted the U.S. to expand itself across the Pacific. The U.S. thought that Mexico couldn’t govern a nation and the U.S. can lay schools and colleges every time they take a step. To support this in Document A, it says “armed with the plough and rifle, and marking its trail with schools and colleges.” This evidence shows the US was justified in going to war because it was god’s plan to extend themselves to the Pacific. …show more content…
troops or known as the Thornton Affair. The Thornton Affair was an attack on U.S. cavalry in disputed territory near the Rio Grande. The Mexicans killed 16 of the cavalry and forced the troops to surrender. This evidence shows the US was justified in going to war with Mexico because they attacked US troops for no reason. To support this in Document B, it states “They became engaged with a large body of these Mexican troops, and, after a short affair, in which some sixteen Americans were killed and wounded.”
A third reason the Mexican War was justified was that the American settlers in Mexico were treated poorly. An example is that the Mexicans couldn’t govern the land and forced settlers to become Catholic. To cite this in Document A, it states “hostile interference against us… hampering our power,” and “Mexico never can exert any real government authority over such a