How was the complaint below addressed by the Constitutional Convention? "We, delegates, from small states insist on a national legislature in which each state receives equal representation?

Each state would be equally represented in the Senate, with two Senators, while representation in the House of Representatives would be based upon population. The delegates finally agreed to this "Great Compromise," which is also called the Connecticut Compromise.

African americans at the time just came out of slavery and needed money to provide for there families. so they joined for the money mainly.