The Congress shall have power--
1. To lay and collect taxes, duties, imposts, and excises; to pay the
debts and provide for the common defence and general welfare of the
United States; but all duties, imposts, and excises, shall be uniform
throughout the United States.
2. To borrow money on the credit of the United States.
3. To regulate commerce with foreign nations, and among the several
States, and with the Indian tribes.
4. To establish a uniform rule of naturalisation, and uniform laws on
the subject of bankruptcies throughout the United States.
5. To coin money, regulate the value thereof; and of foreign coin, and
fix the standard of weights and measures.
6. To provide for the punishment of counterfeiting the securities and
current coin of the United States.
7. To establish post-offices and post-roads.
8. To promote the progress of science and useful arts, by securing, for
limited times, to authors and inventors, the exclusive right to their
respective writings and discoveries.
9. To constitute tribunals inferior to the supreme court: to define and
punish piracies and felonies committed on the high seas, and offences
against the law of nations.
10. To declare war, grant letters of marque and reprisal, and make
rules concerning captures on land and water.
11. To raise and support armies; but no appropriation of money to that
use shall be for a longer term than two years.
12. To provide and maintain a navy.
13. To make rules for the government and regulation of the land and
naval forces.
14. To provide for calling forth the militia to execute the laws of the
Union, suppress insurrections, and repel invasions.
15. To provide for organising, arming, and disciplining the militia,
and for governing such part of them as may be employed in the service of
the United States, reserving to the States respectively the appointment
of the officers, and the authority of training the militia according to
the discipline prescribed by Congress.
16. To exercise exclusive legislation in all cases whatsoever over such
district (not exceeding ten miles square) as may, by cession of
particular States, and the acceptance of Congress, become the seat of
government of the United States, and to exercise like authority over all
places purchased, by the consent of the legislature of the State in
which the same shall be, for the erection of forts, magazines, arsenals,
dock-yards, and other needful buildings; and,
17. To make all laws which shall be necessary and proper for carrying
into execution the foregoing powers, and all other powers vested by this
constitution in the Government of the United States, or in any
department or officer thereof.