One of Baron de Montesquieu’s key ideas was separating church and state.
creating checks and balances.
establishing natural rights.
establishing equality within society.

It's B

Explanation: One of Montesquieu's key ideas was the creation of what? They are ways to make sure no one has too much power. What are checks and balances? He was an Enlightenment thinker who wrote The Social Contract which said that government is a contract between rulers and the people.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts