Answer:
C. Separating the branches of government.
Step-by-step explanation:
On his anonymously published work of 1748, the Baron said that the political institutions need to reflect the social and geographical aspects of the community. He alleged that to avoid tyranny the system of government should be formed by three branches with different powers that could be restrained one to each other.
His work was rapidly translated into other languages and influence the works of many other authors, such as the Founding Fathers of the United States.
I hope this answer helps you.