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Supreme court issues Dred Scott Decision which declares unconstitutional the Missouri Compromise of 1820
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Kansas admitted by Congress with a constitution prohibiting slavery
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President Lincoln inaugurated
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Bills to abolish slavery introduced in congress
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President Lincoln discusses idea for emancipation proclamation
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President Lincoln signs emancipation proclamation
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Senate votes the thirteenth amendment abolishing slavery
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13th amendment defeated in the house of representatives
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president Lincoln reelected
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13th amendment passed by the house of representatives
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13th amendment goes into effect
