Which of These Is an Example of the Powers Granted

Multiple Choice

Which of these is an example of the powers granted to the states by the Constitution?

A) The right to determine qualifications for voting within their borders
B) The right to coin money to pay for debts incurred within the state
C) The ability to regulate interstate trade
D) The right to raise an army to settle its disputes
E) The right to negotiate with foreign powers that border the state