The U.S. federal government refers to the system of governing composed of three branches - executive, legislative, and judicial - that collectively manage the affairs of the nation.
Related terms
Congress: The legislative branch of the U.S. federal government responsible for making laws.
Executive Branch: The branch of government headed by the President, responsible for implementing and enforcing laws.
Judicial Branch: The branch of government responsible for interpreting laws and ensuring their constitutionality.