Mexico Dbq Analysis

The U.S had a clear and valid reason on why they needed to move into Mexico. Mexico, essentially, invited Americans to live in the province of Texas, which turned out to be a bad idea in the end. So, was the United States justified in going to war with Mexico? The answer to that question would be yes, the U.S was justified in going to war with Mexico because their population was overgrowing and they needed more land, their economic depressions made people want to live in frontier areas, and living in frontier areas would create many new opportunities for commerce and self-advancement.
The first reason the United States was justified in going to war with Mexico is because they were in desperate need of land. The U.S’s population was growing rapidly due to its increase in birth rate and immigration (Document E). This growing population meant there wasn't enough land for everyone to live comfortably, which meant having to move west. The U.S would not just take land if they did not intend to put it to good use. They're moving their people into Texas because they need more space, which is a good reason why they had to move down
Most people would say that the U.S was not justified in going to war with Mexico because they were uninvited and basically attacked Mexico, however they were justified because they had real political reasons to do so. Frontier land created better opportunities for commerce (Document E). Commerce of course, was a big thing for most people in the U.S, which is a reason the U.S wanted to move into this uncharted territory. Individual self-advancement was also a reason that the U.S wanted to move into Texas. This helped people make themselves better in a way, it helped promote themselves for the better. All of this promoted economic growth, which was a good motivation to