Mexican American War Dbq Essay

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The Mexican American War of 1846 was a dispute over the border between Mexico and Texas which became a part of the U.S, but was the United States justified in starting this war with Mexico? No, the U.S. was not justified in starting this war against Mexico. Because the U.S. never had a reason to support this war, it was only for the land, power, and continued “Manifest Destiny” expanding the U.S. Some of the ways politicians and many others used to start a war to expand to the west to “Manifest Destiny” a belief for the expansion of the United States and the use of racism another belief of thinking a race is lower than another race. This is supported by an entry in the document “Annexation” by John L. O’Sullivan, he wrote “(O)ther nations have …show more content…

This is another reason why the U.S. was not justified in starting a war when they stole the land. The Mexican American war of 1846 took place at the Rio Grande River. A war over the border, the perspective of the war to the U.S. is said in the War message of President James Polk “.Mexico has passed the boundary of the United States, has invaded our territory and shed American blood upon the American soil.” In this quote it talks about how Mexico shed American blood upon the American soil, and at this time the border for the U.S. was the Rio Grande River, but for Mexico it was different written in the document ‘A Mexican Viewpoint on the Rio Grande River’. the war with the United States’, “The mobilization of the U.S. army was an outright attack on Mexico. AS a consequence the Mexican government reaffirmed the instruction to protect the border, meaning the territory located between the Rio Grande and the Nueces River.” It is stated in this part of the document that for Mexico the boundary between Mexico and Texas was between the Rio Grande and the Nueces River and not the Rio Grande that is said in the war message to President