Answer:
Voting Rights Act
Explanation:
The piece of legislation that was the most influential was the Voting Rights Act.
The Voting Rights Act of 1965 was a law that was passed to totally eliminate the barriers that existed in stopping African Americans from exercising their rights to vote.
After the African Americans had gotten their freedom from slavery, they were still heavily prejudiced against and were segregated, prevented from doing certain basic things that other citizens enjoyed, such as voting.