Mexico Dbq Essay

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Was the United States Justified in Going to War With Mexico? Texas declared itself an Independent Nation in 1836. In 1845 the United States annexed Texas. There was a war between the U.S and Mexico in 1846-1848, Texas and Mexico got into a disagreement over which border would be Texas’s, the U.S wanted the Rio Grande and Mexico wanted the Nueces River. In order to determine which border would be the U.S they had a war known as the “Mexican War”. The United States was justified in going to war with Mexico because the U.S and President Polk believed in Manifest Destiny. Document B is a message sent to Congress by President James Polk on May 11,1846. According to Doc B James Polk said, “Mexico has passed the boundary of the of the United States,