Why did montesquieu advocate the separation of powers? to stop political parties from gaining too much power to ensure power divisions along party lines to eliminate conflict between branches of government to limit the power of any single group or person

He advocated the separation of powers to limit the power of any single group or person.
Montesquieu wanted to fight against absolutism, which is a form of rule where one person has absolute authority. Often, such people abused their power given that there was no one to stop them, which is something Montesquieu wanted to eradicate.

B,c and d are the answers