Which of the following is not congressional power a. coining money b. commanding the armed forces c. overriding a presidential veto d. making laws

The answer to this question is B. commanding the armed forces
In united states, the Congress only had the power to declare a war (which is written under Article I, Section 8, Clause 11 of the U.S. Constitution ). But on the war, the right to command the armed forces falls to the hand of the president as acting Commander-in-Chief of the armed forces.

Bis your correct answer