What is the name of the constitutional principle, articulated in the 10th Amendment, that powers not delegated to the federal government are reserved to the states or the people?

• A Reserved powers ✓
• B Concurrent powers
• C Implied powers
• D Enumerated powers

The Tenth Amendment, the last of the Bill of Rights, embodies the principle of federalism: the federal government possesses only delegated powers, with everything else left to states or the people.