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President Jonh Tyler signs a Congressional resolution to make Texas part of the Union
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President Polk sends John Slidell to Mexico so he can try to buy New Mexico and California
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General Zachary Taylor marches his army towards the Rio Grande which moved the disputed territory that was claimed by the US and Mexico
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President Polk asks Congress to declare war on Mexico and Congress approves
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Taylor's army attacks the city and wins in order to cut off Northern Mexico
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American army takes Mexico City
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Negotiators sign the treaty of Guadelupe Hidalgo, officialy ending the war
