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Free-soil crusade began.
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David Wilmont introduces Proviso banning slavery in the Mexican cession.
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Free-soil party is founded
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California seeks admission to the Union aas a free state
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Congress debates sectional issues and enacts Compromise of 1850
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The Compromise of 1850 was proposed.
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Harriet Beecher Stowe publishes Uncle Tom's Cabin
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Pierce is elected president
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Kansas-Nebraska act is passed
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In 1854, an anti-slavery mob led by armed abolitionist tried to free fugative Anthony Burns from the courthouse where his extradition was to take place
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The Know-nothing party achieves stunning sucesses in state policies.
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The Know-nothing party took control of Massachusetts.
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Buchanan becomes president.
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The Know-nothing party split
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Court decides the dred scott case.
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The Court legalizes slavery everywhere
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People of Kansas killed the Lecompton constitution.
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John Brown raids Harpers Ferry
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The democratic party splits
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lincoln becomes president.
