Mexican War Dbq

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In order to reflect on the justification by the United States for war against Mexico, we must examine the United State’s motives and beliefs prior to their official declaration of war in April 1846. To really understand this conflict, we have to look back at Mexican history and realize that they themselves acquired their land from the Spanish in the 1821 revolution/war of independence. The United States would use this fact to later justify their invasion of Mexico, by stating that Mexicans were not the true owners of the land and that they had simply acquired this land by force (and so they could then do the same?). However looking back at US history we see that the United States had likewise acquired their land through revolution against the …show more content…

When Mexico abolished states rights and centralized power in Mexico City in 1835, Texans responded through violence and cries for independence. Led by Sam Houston, the Texas rebel army started a rebellion against Mexican rule, leading Mexican general Santa Anna to declare war on what he saw as traitors committing treason. Santa Anna’s approach against these traitors was brutal, executing 340 Mexican unarmed prisoners at the battle of the Alamo, giving the Americans even more motivation with saying like “Remember the Alamo”. Ultimately in April 21, Houston was able to declare victory after killing 600 Mexicans caught off guard, leading to the birth of an independent republic of Texas. This victory was key, as with control over Texas, control over California and New Mexico was surely to come. Therefore keeping in mind the violent and unjustified manor in which the US took the land of those who graciously offered it to them, we can immediately see how the United States are the aggressors in the conflict to …show more content…

While the phrase originated in the early 1840’s, it was first employed by John L. O’Sullivan in an article on the annexation of Texas published in the July-August 1845. In short, the Manifest Destiny stated that God intended certain land to be under control of America and that by taking said land they were simply gaining freedom and acquiring what rightfully belonged to them (This concept in my mind draws a direct parallel to Zionism). Using this extremely egocentric justification, the United States annexed Texas in February 1845, and under the order of President Polk in July set up troops down at the Mexican coast and at the border in the name of defense. After Mexican president Herrera attempted to ease tension by selling California to the United States, he was accused of treason, and Mariano Perreras who was marching north to face the United States, returned to Mexico to take control as president. Finally, the conflict began when the United States entered disputed territory near the town of Matamoros, and even entered Mexican territory south of the Rio Grande. While this was a clear act of invasion, the United States accused the Mexicans of attacking them first in April 24 at the Rancho de Carachos. This itself was justification for president Zach Taylor to declare war on Mexico, under the basis that

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