What did the Voting Rights Act of 1965 get rid of?

The Voting Rights Act of 1965 got rid of the literacy tests which needed to be passed before being able to vote. By the end of 1965, 250,000 black Americans had registerd to vote (one-third had been assisted bu the government monitors who checked that the law was being followed). A further 750,000 registerd by the end of 1968. Furthermore, the number of elected black representatives increased rapidly after the act