What is the role of separation of powers in avoiding tyranny?

a. it divides power between the U.S. and the British Monarchy
b. it divides the power between the states and national government so power is not at one level
c. it divides the power among the three branches to avoid the concentration of power in one branch or with one person
d. it divides the power between the people and the government, so the people do not have power

c. it divides the power among the three branches to avoid the concentration of power in one branch or with one person