Mexican American War Research Paper

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The Mexican-American War The U.S was neither justified nor socially just when they declared war on Mexico in 1846. There were factors that contributed to the Mexican-American war; Petty actions that could have been avoided, such as selfish beliefs, border disputes and actions out of greed. One factor that played a major role was a selfish belief that American shad. Every since the Americans crossed the Appalachian barrier, they’ve dreamt of expansion, one that would stretch as far as the Atlantic to the Pacific. They believed that the U.S had the divine mission to spread liberty across the continent. To go along with this belief a NY journalist named John O’ Sullivan coined the phrase “Manifest Destiny, which means obvious or undeniable…show more content…
When the U.S annexed Texas they also took up their beliefs on where the border lies; Yet, no where was it established in the Texas declaration of Independence that the border was the Rio Grande. As founder father Abraham Lincoln states, “Has not Mexico always claimed the contrary?... Now all of this is but naked claim; and what I have already said about claim is directly applicable to this. If I should claim your land by word of mouth that certainly would not make it mine.” (Lincoln,5) both Texas and the U.S simply believed the Rio Grande should be the border. United States president James Polk ordered U.S troops to camp near where they believed was the border; Mexico saw this as an invasion and attacked. When President James Polk used the excuse that there was a loss of “American blood on American soil,” (Crayton,351) He was politically incorrect. Mexico had the right to attack the U.S; the U.S was urging Mexico to take action by sending their troops to camp near disputed territory. In conclusion, the U.S was neither justified nor socially just when they declared war on Mexico in 1846. There were factors that contributed to the Mexican-American war; Petty actions that could have been avoided, such as selfish beliefs, border disputes and actions out of greed. The U.S enticed Mexico until they took

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