What general principle was established with the Plessy v. Ferguson Supreme Court decision?(1 point)ResponsesStates could not prevent African Americans from voting.States could not prevent African Americans from voting.States could be punished with decreased  congressional representation if they did not allow African Americans to vote.States could be punished with decreased  congressional representation if they did not allow African Americans to vote.States could require separate facilities for African Americans as long as the facilities were equal.States could require separate facilities for African Americans as long as the facilities were equal.States could not use poll taxes and literacy tests to establish voting eligibility.States could not use poll taxes and literacy tests to establish voting eligibility.

The general principle established with the Plessy v. Ferguson Supreme Court decision was that states could require separate facilities for African Americans as long as the facilities were equal, known as the "separate but equal" doctrine.