Which of the following is an exclusive power of the national government?
a. borrowing money to balance a budget
b. holding elections
c. regulating interstate commerce
d. establishing courts

C. Regulating interstate commerce.

this is correct on gradpoint fyi! Good luck

polisit can also mean a body of citizens. in modern historiography, polis is normally used to indicate the ancient greek city-states, like classical athens and its contemporaries, and thus is often translated as "city-state". the body of citizens came to be the most important meaning of the term polis in ancient greece.