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invention of cotton greatly increases the demand for slave labor.
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Congress bands inportation of slaves from Africa.
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The Missouri Compromise banns slavery North of the southern boundary of Missouri.
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Enslaved Afican American preacher,leads the most significant slave uprising in American history. He and his band of followers launch a short, bloody rebellion in Southampton Country, Virginia. Turner is eventually caught and hung.
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Dred Scott sued for his freedom. Hargued that because his owner had taken him to live where slavery was illegal, he should be free.
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California applied for admission as a free state.
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The compromise of 1850 admitted California as a free state, but came with fugitive slave act. This act required citizens in free states to return slaves to their owners.
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President Lincoln issues the Emancipation Proclamation, declaring "that all persons held as slaves" within confederate state "are, and hencefoward shall be free."