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;

10. To define and punish piracies and felonies committed on the high

seas and offences against the law of nations;

11. To declare war, grant letters of marque and reprisal, and make rules

concerning captures on land and water;