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The Texas Congress accepts U.S. offer of annexation. Texas is annexed and becomes part of the Union
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Polk sends John Slidel to Mexico in order to buy New Mexico and California. The newspapers in Mexico call the Mexican President a traitor if he were to sell the land so the mexican president does not meet with Sidel.
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General Taylor's army marches south past the Nueces River toward the Rio Grande, moving into disputed territory claimed by both Mexico and the U.S.
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Polk asks U.S. congress to declare war on Mexico.Congress Approves $10 million and 50,000 volunteers for the war effort.
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As part of his plan to cut off Northern Mexico, Taylor's army invades the city and defeats the forces of General Pedra de Ampudia.
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U.S. Army launches an attack straight into Mexico City. After 14 hours of fighting Mexico surrenders.
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The Treaty Arrives in Washington and is ratified by the U.S. Senate.
