- Explain the implications of separation of powers and checks and balances for the U.S. political system
- Used the impeachment process and the investigative powers of the Senate to provide specific examples of checks and balances
- Scrutinized historic presidential articles of impeachment in groups to determine whether the accusations met the constitutional standard of "high crimes and misdemeanors"
- 10 Principles of American Government: Impeachment and Senate Investigations
- Articles of Impeachment Against President Andrew Johnson (1868)
- Articles of Impeachment Against President Richard Nixon (1974)
- Articles of Impeachment Against President Bill Clinton (1998)
- Articles of Impeachment Against President Donald Trump (2019)
- Articles of Impeachment Against President Donald Trump (2021)