Authorization for Use of Military Force (AUMF): This is a specific type of legislation passed by Congress that gives the President authority to use military force against certain enemies or in response to specific events.
Checks and Balances: This term refers to the system in which each branch of government has some measure of influence over the other branches and may choose to block procedures from other branches. It helps ensure no one branch becomes too powerful.
Separation of Powers: This principle divides governmental responsibilities into distinct branches (legislative, executive, judicial) to limit any one branch from exercising core functions of another.