Why was the three-fifths compromise necessary?

A. because the election of the president was based on the boring right of both free and enslaved people

B. because southern states had large populations people, which would influence representation

C. because the fifths of the states would not agree to the great compromise

B. because southern states had large populations of people, which would influence representation

This question is incomplete, here's the complete question.

Why was the three-fifths compromise necessary?

because 3/5 of the states would not agree to the Great Compromise

because the Senate was equally divided between Northern and Southern states

because the election of the president was based on the voting rights of free and enslaved people

because Southern states had large populations of enslaved people, which would influence representation

Answer: because Southern states had large populations of enslaved people, which would influence representation

Explanation:

One of Many conflicts arised when drafting the Constitution was whether or not slaves should be counted in the state's census to allot House representatives. The Three-Fifths Compromise established that slaveholding states could count free African Americans and 60 percent of their enslaved population. That 60 percent was also counted for federal taxation, but no such taxes were ever collected.