Following the passage of the Fifteenth Amendment, states attempted to limit voting rights of African Americans through

After the Fifteenth Amendment prohibited denying the vote because of race, many states used supposedly race-neutral barriers to keep African Americans from voting. Poll taxes required voters to pay a fee, while literacy tests gave officials a way to reject voters unfairly. Therefore, “poll taxes and literacy tests” is the correct choice.

AI-written and checked against the verified answer.