Enumerated powers

The enumerated powers are a list of items found in Article I, Section 8 of the U.S. Constitution that set forth the authoritative capacity of Congress. In summary, Congress may exercise the powers that the Constitution grants it, subject to explicit restrictions in the Bill of Rights and other protections in the Constitution. The Tenth Amendment states that "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."

Historically, Congress and the Supreme Court of the United States have broadly interpreted these provisions.

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