What Was the Primary Purpose of the Voting Rights Act

What was the primary purpose of the Voting Rights Act of 1965?

A) It removed any artificial barrier to voter participation, including literacy tests and poll taxes.
B) It required African Americans to prove that they are descendants of slaves before being allowed to register to vote.
C) It made all elections a function of the federal government instead of the states.
D) It ensured an African American senator from every state within 50 years.
E) It reinstated the racial restrictions on voter registration, especially in southern states.