Section 8 of Article 1 to the United States Constitution gives Congress the power to: "To borrow Money on the credit of the United States; To regulate Commerce with foreign Nations, and among the several States, and with the Indian Tribes; To establish a uniform Rule of Naturalization and uniform laws on the subject of Bankruptcies throughout the United States…" What are these listed powers called?

Enumerated Powers.

Explanation:

Section 8 of Article 1 to the United States Constitution gives Congress the power to: "To borrow Money on the credit of the United States; To regulate Commerce with foreign Nations, and among the several States, and with the Indian Tribes; To establish a uniform Rule of Naturalization and uniform laws on the subject of Bankruptcies throughout the United States…"

Hence, these listed powers are called Enumerated Powers.

Enumerated Powers can be defined as the power that is being given to the president of the United States of America with respect to Section 8 of Article 1 to the United States Constitution

the answer is:

c. economic output

the telephone is the answer