Answer:
B. They are directly listed in the Constitution.
Step-by-step explanation:
The "Expressed Powers", also called "Delegated Powers", are those powers of the government that are specifically listed in Article I, Section 8 of the United States Constitution. There's a total of 27 powers, some of them include to coin money, declare war, provide for an army and a navy, to establish post offices and post roads and to promote the progress of science and useful arts.