The US Constitution establishes several basic principles of government match the principles of government with the descriptions

Government authority is derived from the people (checks and balances/federalism/popularsovereignity)
Power is divided between the national government and state governments (checks and balances/federalism/popularsovereignity)
The branches of government have the ability limit the other branches (checks and balances/federalism/popularsovereignity)

1 answer

Checks and balances: The branches of government have the ability to limit the other branches
Federalism: Power is divided between the national government and state governments
Popular sovereignty: Government authority is derived from the people