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President John Tyler signs Congressional Resolution to add Texas
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John Sidell is sent to Mexico by Polk to try and purchase New Mexico and Califonia
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General Taylor's army moves past the Nueces River and into the disputed land claimbed by both the U.S. and Mexico
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Polk asks Congress to delcare war on Mexico. Congress agrees and delcares war on Mexico. Congress approves $10 million and 50,000 volentees.
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General Taylor, with 6,640 men, attack the City of Monterry. General Ampudia, with 5,000 men defends the city, but was eventually defeated.
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After 14 days of American shelling, Mexico City surrenders to U.S. forces. U.S> forces then occupy Mexico City.
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Negotiators agree on the Treaty of Guadalupe Hidalgo. The Treaty is rushed to Washington. Among other things the Treaty of Guadelupe Hidalgo causes Mexico to lose 55% of its land.