It is important because if you dont compromise it could lead to bad things.
The correct answer among the choices provided is option C. The framers want Congress to be more powerful than the executive branch. The reason is because it is the biggest branch. It also have the largest divided power among the most amount of people.
The answer is a, he miscalculated, since the Americas hadn't been discovered by europeans (the native americans were there first) they did not account for america in their calculations
The three-fifths compromise was basically congress deeming that a slave was three fifths of a person. So I do believe that it is the first one: States representation in congress based on slave population
