| A | B |
| voting rights | a topic that has been the focus of four different amendments to the United States Constitution |
| Constitutional amendments adopted during Reconstruction | were intended to provide legal and political rights for African Americans |
| 13th, 14th, and 15th amendments | granting rights to African Americans |
| The necessary and proper clause, the amendment process, and the unwritten constitution | show that our constitutional system of government provides for flexibility |
| amendment process and the elastic clause | created by the authors of the United States Constitution to provide for change |
| the United States Constitution | is considered a flexible document is that it can be rewritten every ten years |
| Plessy v. Ferguson and Brown v. Board of Education of Topeka | Supreme Court cases that demonstrate that the Supreme Court can change an earlier decision |
| examples of the use of the amendment process | The change to the direct election of senators, the lowering of the voting age to eighteen, and the establishment of a two-term limit for presidents |