8. During the Constitutional Convention of 1787, the Great Compromise resolved a conflict over a. presidential power
b. the issue of nullification
c. representation in Congress
d. taxes on imports

C

Explanation:

they wanted each state to have representation in congress.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.