Which is the best definition of affirmative action

D. Assuring that all people are treated equally in the workplace and in schools.

This is simply because in History, it states that the affirmative action is to make sure that African-Americans, and women have the same right and abilities as white men.

assuring all people are treated equally in the workplace and schools

Explanation:

the american rail road was the most influential and useful transportation system developed in the 1800's with steam locomotives and in the very late 1800's and early 1900's diesel electric locomotives being used to transport goods and people around the newly expanded united states!

where are the statements?