Answer:
checks and balances and separation of powers make sure that none of the branches (judicial, executive, and legislative) become stronger than the other. meaning, that it limits the power of the government by making sure that no branch becomes the most in control :D
I can confirm the answer is A. federalism
Answer:
1 : control and direction of public business (as of a city or a nation) The mayor makes decisions regarding the government of city departments. 2 : a system of control : an established form of political rule a democratic government. 3 : the people making up a governing body Their governments are committed to peace.