why not see what the U.S. Constitution says about the powers of Congress?
Here is verbatim text from Section 8, which delineates its powers (excerpted, of course, to provide the most relevant sections): – – – – – The Congress shall have power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defense and general welfare of the United States; but all duties, imposts and excises shall be uniform throughout the United States; To define and punish piracies and felonies committed on the high seas, and offenses against the law of nations; To declare war, grant letters of marque and reprisal, and make rules concerning captures on land and water; To raise and support armies, but no appropriation of money to that use shall be for a longer term than two years; To provide and maintain a navy; To make rules for the government and regulation of the land and naval forces; To provide for calling forth the militia to execute the laws of the union, suppress insurrections and repel invasions; To provide for organizing, arming, a
