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Henry Clay's proposed agreement that allowed Californa to enter the Union as free state and divided the rest of the Mexican Cession into two territories where slavery would be decided by popular sovereignty..
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Law that made it a crime to help runaway slaves..
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Anitslavery novel written by Herriet beecher Stowe that showed northerns the violent reality of slavery and drew many people to the abolition's cause..
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Law that allowed voters in the kansas and Nebraska territories to choose whether to allow slavery.
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John Brown's raid and subsequent trial inflamed the dispute between the country's abolitionist and pro-slavery factions hardening the lines that separated the North and the South.
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Was the 19th quadrennial presidential electionandThe election was held on Tuesday, November 6, 1860 and served as the immediate impetus for the outbreak of the American Civil War.
