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Republican Party Platform of 1856
| Crisis of Constitutionalism
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Dred Scott v. Sandford
| Crisis of Constitutionalism
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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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The Dividing Line
| Crisis of Constitutionalism
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South Carolina Secession Declaration
| Secession and Civil War
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Farewell Address to the Senate
| Secession and Civil War
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First Inaugural Address
| Secession and Civil War
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Message to Congress in Special Session
| Secession and Civil War
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Gettysburg Address
| Secession and Civil War
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The Study of Administration
| Progressive Rejection of the Founding