What did the southern states give up in order to maintain legalized slavery?

The Southern States gave up their right for equal number of states in both region inorder to maintain legalized slavery. Before the law was passed, the Southern and Northern region has equal number of state (8 each ).

Also, the lack of imports caused a compensatory expansion in the domestic commerce in slaves, which remained legalized under federal law until 1865.

Explanation:

1) the answer is b

senators serve a six-year term; representatives serve a two-year term, making them more responsive to (and responsible for) voter confidence.

2) the answer is d

to serve as president, one must:   -be a natural-born u.s. citizen of the united states;   be at least thirty-five years old;   be a resident in the united states for at least fourteen years.

3) the answer is a

ella,because it is constitutionally eligible

4) the answer is c: the u.s president