| A | B |
| the principle of checks and balances | were challenged by Franklin D. Roosevelt when he tried to increase the number of justices on the Supreme Court |
| example of checks and balances | when the Senate ratifies a peace treaty; when the Senate Rejects President’s Choice of Supreme Court Justice |
| concepts of federalism, checks and balances, and separation of powers in the Constitution | The framers of the United States Constitution created these because they feared a government with unlimited power |