Tenth Amendment to the United States Constitution

The Tenth Amendment (Amendment X) of the United States Constitution, which is part of the Bill of Rights, was ratified on December 15, 1791. The Tenth Amendment restates the Constitution's principle of Federalism by providing that powers not granted to the national government nor prohibited to the states are reserved to the states or the people.

“ The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people.â€