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The Missouri Compromise kept slave states an equal number as free states
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Harriet Beecher Stowe wrote Uncle Tom's Cabin which shows the evil of slavery
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South Carolina becomes the first state to secede so it can keep slavery
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The Compromise of 1850 turned California into a free state and divided the Mexican cession into states
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The Fugitive Slave Act required all citizens to capture fugitive slaves
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Divided a large territory into Kansas and Nebraska
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A slave named Dred Scott's owner died and was sent to a free state but was not freed because he was still property
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An abolitionist named John Brown made an anti-slavery campaign and raided the arsenal at Harpers Ferry
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The Election of 1860 turned southern Democrats into Republicans because they wanted to keep slavery