Question

Which of these belongs in the empty box?

Electing a president
National power versus states' rights
Slaves used to determine representation
Taxation of exports

Answer 1

I believe C is the answer 

Answer 2

Answer:

Slaves used to determine representation

Explanation:

Fractions can be complicated. The Three-Fifths Compromise solved the problem of determining population for representation in the new government. Under the compromise, Southern states could count three out of every five slaves towards population.