DBQ Essay: The Mexican War

Superior Essays
Lucy Horn
4-27-15
English~3rd hour
Social Studies~6th hour
Total War In 1846 war broke out between two neighboring countries. “US historians refer to this event as ‘The Mexican War’, in Mexico its called ‘The US Invasion’ (Doc. C, paragraph 1).” The Mexican War had lasted two years, 1846 to 1848. Ten years before the war, Texas had declared its independence from Mexico in 1836. Not long before that, in 1821, Mexico had declared independence from Spain. The United States was unjustified in going to war with Mexico because Americans abused the idea of the Manifest Destiny, broke the laws the Mexican government had set, and the annexation of Texas was used as “a declaration of war (Doc. C, paragraph 2)” by Mexico. The Manifest Destiny was the belief that the United States was to stretch its borders from coast to coast. President Polk was a strong believer in Manifest Destiny. Mexico was just another obstacle in his way. He believed that Mexico was “hampering our power, limiting our greatness and checking the fulfillment of our Manifest Destiny to overspread the continent allotted by Providence
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C, paragraph 2).” Americans already considered Texas as a part of their country. “It is time for opposition to the Annexation of Texas to cease… Texas is now ours...(Doc. A, paragraph 1).” When Texas and America signed a treaty in 1844, Mexico felt that the United States stole the land from them. When the Americans had tried to see if the Mexicans had crossed the river, they found that the Mexicans were preparing to cross. Some Americans were killed and Polk got upset. Polk convinced congress that there were enough reasons to go to war with Mexico, in order to defend Texas. The House of Representatives and Senate voted on going to war. The senate had 40 yeses and 2 nos (Doc. B, Note). The House of Representatives had 174 yeses and 14 nos (Doc. B,

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