Answer: To make sure the power is balanced
Explanation: Separation of powers is a fundamental principle of the United States Federal Government in which each distinct branch, the legislative, executive and judicial, can check and balance the other to prevent the concentration of power.
A should be the correct answer if i remember correctly.
Conventions are meeting that delegates have one famous convention is the constitutional convention. And if your talking about the fun conventions like the science ones or beauty conventions those are like party anyone is invited to
