1. What does it mean to check the power of a branch of government? 2. Who can veto legislation passed by Congress? 3. How can Congress override a presidential veto? 4. Which branch has the power to nominate Supreme Court justices and appoint other federal judges? 5. How does Congress check that power? I 6. How can federal courts check the president's power? 7. How can federal courts check the power of Congress? 8. What limits the president's power to make treaties with other countries? 9. Suppose a law has been declared unconstitutional. What can be done to try to make it constitutional? 10. What is meant by "separation of powers"?​