One way to limit the power of the new Congress under the Constitution was to be specific about what it could do. These enumerated, or listed, powers were contained in Article I, Section 8—the ...

This formalized the principle of enumerated powers, under which federal law can govern only as to matters within the terms of some power-granting clause of the Constitution. By including the ...

The Constitution is not a grant of power for a king.

This "power of the purse" grants Congress a broad power to tax and spend on things it cannot directly regulate through some other enumerated power. Id.; License Tax Cases, 72 U.S. 462, 471 (1866 ...