Which of the following was the best-known of the secret societies that stopped blacks from voting?

Klu Klux Klan

Explanation:

Dont even have to think about it. It's right tho dont worry i had this question once.

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

if i am correct the answer is going to be a) the federal program of reconstruction ended.