Answer:
Correct answer is Baron de Montesquieu.
Explanation:
In general Locke and Montesquieu were writing the most about the separation of power and they are the ones that should be taken into consideration.
Montesquieu is the correct answer as he discussed about balances, and he was the one that believed that power should be equally divided.
Rousseau and Hobbes were discussing about this topic that much.
