Final answer:
The congressional powers described in Article 1, Section 8 of the Constitution are expressed powers, also known as enumerated powers.
Step-by-step explanation:
The congressional powers described in Article 1, Section 8 of the Constitution are expressed powers.
Expressed powers, also known as enumerated powers, are specifically listed in the Constitution and grant the legislative branch a significant amount of authority over American national policy. Some of the expressed powers outlined in Article 1, Section 8 include the power to issue money, collect taxes, regulate trade, declare war, and raise and maintain an army and a navy.