2. Which of the following is NOT a power granted to Congress by the Constitution? a) To establish post offices and post roads b)To declare war c)To appoint Supreme Court Justices d) To regulate interstate commerce

The correct answer is c) To appoint Supreme Court Justices.<br /><br />The Constitution grants Congress the power to establish post offices and post roads (Article I, Section 8), declare war (Article I, Section 8), and regulate interstate commerce (Article I, Section 8). However, the power to appoint Supreme Court Justices is granted to the President, with the advice and consent of the Senate (Article II, Section 2).