3. To contract loans, with the obligation, however, of providing permanent revenues for the payment of the interest and redemption thereof.
All measures relating to loans shall require the vote of two-thirds of the total numbers of the members of each House.
4. To coin money, fixing the standard, weight, value, and denomination thereof.
5. To regulate the system of weights and measures.
6. To make provisions for regulating and developing internal and foreign commerce.
7. To regulate the services of communications and railroads, roads, canals, and harbors, creating those required by public convenience.
8. To levy such taxes and imposts of national character as may be necessary for the needs of the government.
9. To establish rules and proceedings for obtaining naturalization.
10. To grant amnesties.
11. To fix the strength of the land and naval forces and provide for their organization.