Separation of Powers: This term refers to the division of government power among three branches - legislative, executive, and judicial - to prevent any one branch from becoming too dominant.
Checks and Balances: This term describes the system where each branch has some control over the actions of other branches, ensuring that no single branch can gain absolute power.
Impeachment: This process allows Congress to remove federal officials from office for "high crimes and misdemeanors," providing a check on potential abuses of power by members of the executive or judiciary.