All of the following are compromises of the Constitution EXCEPT
C. Electoral College
Explanation:
The infringement of constitutional laws is known as compromising the constitution. In the examples given here, the first two are obviously not permissible by the constitution as they pertain to slave trade in some form or measure which has been completely outlawed in all forms.
The fourth one is a federal and state issue and comes under the jurisdiction of the interstate relations. Although the federals can put regulations on interstate trade they have no right of direct control over it.
