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1. Marbury v. Madison
2. Louisiana Purchase
3. War of 1812
4. Missouri Compromise
5. Monroe Doctrine
6. Texas annexation
7. Oregon Country
8. Treaty of Guadalupe Hidalgo
9. Compromise of 1850
10. Kansas-Nebraska Act
11. Dred Scott v. Sandford
12. 13th Amendment
13. 14th Amendment
14. 15th Amendment
15. Election of 1876