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Theories Of The Mexican War

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Mexican War (1846-1848) The Mexican War of 1846 was not a justifiable war based on the Just War Theory of jus ad bellum principles. The Just War Theory addresses the political leaders that are in charge of initiating war with another entity. The rules of applying the jus ad bellum to a war are based on six areas that address whether a war can be considered a just or unjust war. The most important rule is examining Just Cause as it sets the way for the rules that follow. Right Intention to go to war based on their Just Cause, Proper Authority and Public Declaration to determine if they could declare war and Last Resort being the final decision made if all other outlets were exhausted. As well as determining the Probability of Success in the …show more content…

The United States did not meet this criteria as they entered the war unprepared, starting the conflict with only 7,500 troops; but 100,000 volunteers eventually signed up (Oakes et al., 2015 p.377). The United States entered the war divided; the Northern Democrats saw the war as a way to expand slavery (Oakes et al,. 2015 p. 377). The Whigs felt that Polk was only going to war to land grab and challenged the fact that the initial attack happened on United States territory (“Mexican-American War,” 2016). However, the success of war was actually just based on this criteria as the United States did gain the additional territory of New Mexico, Arizona, Colorado, Utah, Wyoming and California (Oakes et al., 2015 p. …show more content…

The most important rule being just cause, The United States did not have a justifiable reason to declare war. The war was called based on an attack by Mexican troops in an area they believed to be Mexican territory. The right intention criteria was again not just, to have right intention one must have a just cause; the intentions of President Polk was to provoke the Mexican Government into war by placing troops in an area they knew the Mexican military would react. The third rule of jus ad bellum to determine if a war is just states that a State must have proper authority to declare war Orends, 2015); Polk already had troops in the Rio Grande waiting for war before submitting a War Message to Congress, the proper process was not in order. The jus ad bellum rule of last resort states that all other peaceful resolutions need to be tried before resorting to war (Orends, 2015), Polk sent Slidell to meet with the Mexican President but the president refused to meet with him, knowing America’s intentions. President Polk chose to move troops into the Rio Grande to “protect the Texas border from a Mexican invasion” (Oakes et al., 2015 p.376). Instead of resolving the issue in a negotiation, Polk waited for war. According to probability of success of the jus ad bellum criteria, The United States were just as they did gain an expanded territory of land. Finally, the last

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