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The United States successfully accepts Texas from Mexico and adds it to the Union under President John Tyler.
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Slidell was sent to Mexico by President Polk to try and negotiate getting New Mexico and California. This planned failed because President Herrera (Mexico's president) refused to meet with Slidell after he pronounced a "traitor" by Mexican press.
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The US army under General Taylor marches towards the Rio Grande, pat land that was claimed by both the US and Mexico.
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After the approval of $10 million and 50,000 troops by congress, Polk declares war on Mexico.
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General Taylor invades the city of Monterrey in a plan to cut off Northern Mexico. Taylor defeats General Pedro de Ampudia's army, and his success helps bring more US troops into the war.
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The US takes control of Mexico City as it surrenders.
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The treaty is signed by negotiators, and the treaty is sent to Washington.
