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;
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 the 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
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.
SECTION IX.
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 eighteen hundred and eight, but a tax or duty may be imposed on such importation, not exceeding ten dollars for each person.
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.
No bill of attainder or ex post facto law shall be passed.
No capitation, or other direct, tax shall be laid, unless in proportion to the census or enumeration herein before directed to be taken.
No tax or duty shall be laid on articles exported from any State.
No preference shall be given by any regulation of commerce or revenue to the ports of one State over those of
