Answer:
An article of the U.S. Consitiution or the process of altering or amending a law or document
Explanation:
A. The accident at Three Mile Island
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.
Thomas Edison's first great invention was the tin foil phonograph made in Menlo Park on August 12, 1877, so that is when he first made his impact on culture and society.