ards, and other needful buildings;--and

18. 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 9. 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.

3. No bill of attainder or _ex post facto_ law shall be passed.

4. No capitation, or other direct, tax shall be laid, unless in
proportion to the census or enumeration hereinbefore directed to be
taken.[6]

5. No tax or duty shall be laid on articles exported from any State.

6. No preference shall be given by any regulation of commerce or revenue
to the ports of one State over those of another: nor shall vessels bound
to, or from, one State, be obliged to enter, clear, or pay duties in
another.

7. No money shall be drawn from the Treasury, but in consequence of
appropriations made by law; and a regular statement and account of the
receipts and expenditures of all public money shall be published from
time to time.

8. No title of nobility shall be granted by the United States; and no
person, holding any office of profit or trust under them, shall, without
the consent of the Congress, accept of any present, emolument, office,
or title, of any kind whatever, from any king, prince, or foreign State.

SECTION 10. 1. No State shall enter into any treaty, alliance, or
confederation; grant letters of marque and reprisal; coin money; emit
bills of credit; make anything but gold and silver coin a tender in
payment of debts; pass any bill of attainder, _ex post facto_ law, or
law impairing the obligation of contracts, or grant any title of
nobility.

2. No State shall, without the consent of the Congress, lay any imposts
or duties on imports or exports, except what may be absolutely necessary
for executing its inspection laws: and the net produce of all duties and
imposts, laid by any State on imports or exports, shall be for the use
of the Treasury of the United States; and a