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Mexico gains independence from Spain
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Americans are defeated at the Alamo
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John Tyler becomes president
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Americans and British agree to the Webster Ashburton Treatry
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United States annexes Texas
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Mexican-American War begins
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Treaty of Guadalupe Hidalgo ends the Mexican-American war
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Free-soil party is orgnized
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California gold rush begins
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With the Gadsden Purchase, the united, the United States acquires an additonal 30,000 square miles from Mexico
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Congress passes the Kansas-Nebraska Act
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Republican Party founded
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A pro slavery mob sacks Lawrence Kansas
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Charles Summer of Massachutes is caned and seriously injured
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U.S. Supreme Court issues Dred Scott
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Lecompton Constitution declares that slavery will be allowed in Kansas
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Abraham Linclon debates Stephen A. Douglas during the 1858 Illonis sentate race
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John Brown and followers stage a failed raid at Harpes Ferry, Virginia, in a attrempt to incite a slave inssurection
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Period: to
South Carolina and six other southern states secede from the Union Critteenden Compromise is proposed but fails
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Fort Sumter falls to Confedarate forces triggers Civil War
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Abraham Lincoln is inagurated president