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Reply in the Senate to William Seward
| Secession and Civil War
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Reply in the Senate to Stephen Douglas
| Secession and Civil War
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Speech at Chicago
| Crisis of Constitutionalism
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Seventh Lincoln-Douglas Debate
| Crisis of Constitutionalism
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Speech on the Kansas-Nebraska Act
| Crisis of Constitutionalism
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Speech on the Dred Scott Decision
| Crisis of Constitutionalism
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A House Divided
| Crisis of Constitutionalism