| 5. | As the supreme law of the land, the U.S. Constitution incorporates basic principles that help define the government of the United States as a federal republic including its structure, powers and relationship with the governed. |
| 6. | The Federalist Papers and the Anti-Federalist Papers framed the national debate over the basic principles of government encompassed by the Constitution of the United States. |
| 7. | Constitutional government in the United States has changed over time as a result of amendments to the U.S. Constitution, Supreme Court decisions, legislation and informal practices. |
| 8. | The Bill of Rights was drafted in response to the national debate over the ratification of the Constitution of the United States. |
| 9. | The Reconstruction Era prompted Amendments 13 through 15 to address the aftermath of slavery and the Civil War. |
| 10. | Amendments 16 through 19 responded to calls for reform during the Progressive Era. |
| 11. | Four amendments have provided for extensions of suffrage to disenfranchised groups. |
| 12. | Five amendments have altered provisions for presidential election, terms and succession to address changing historical circumstances. |
| 13. | Amendments 11, 21 and 27 have addressed unique historical circumstances. |