Why did the delegates to the constitutional convention divide the powers of the national government among three different branches?

They did not want one branch to be too powerful

Explanation:

The delegates at the Constitutional Convention decided to create three branches of government because they did not want any one branch to become too powerful. Each branch has different powers and can limit the power of the other branches. This is known as the system of checks and balances. hope i helped you :)

your answer would be (a)

i think it's a)sparta