Answer:
Voting act in 1965.
Step-by-step explanation:
President Lyndon B. Johnson signed the Voting Rights Act in the year 1965. Main aim of this Act to remove legal barriers present at the state and local levels which prevented the African Americans from the right to vote which was guaranteed in the 15th Amendment of United States Constitution. Due to this Act, 9 southern states had more than 50 percent of African Americans registered to vote.