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 insurrection and repel invasions:
15. To provide for organizing, 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.
SEC. IX.—1. The migration or importation of such persons as any of the
States now existing shall think proper to admit, shall not be prohibited
by the Congress prior to the year one thousand eight hundred and eight;
but a tax or duty may be imposed on such importation not exceeding ten
dollars for each person.
2. The privilege of the writ of _habeas corpus_ shall not be suspended
unless when, in cases of rebellion or invasion, the public safety may
require it.