What Is the Main Purpose of Checks and Balances

What is the main purpose of checks and balances?

A) to limit the power of government by making each branch dependent on the others
B) to limit the power of government by dividing it along geographic lines
C) to hold each branch of government accountable to the voters
D) to prevent one branch of government from interfering in the affairs of another branch
E) to create and implement obstacles to efficient governmental decision-making