In upholding Louisiana’s Separate Car Act, the Supreme Court claimed that

In Plessy v. Ferguson (1896), the Supreme Court upheld Louisiana’s Separate Car Act and ruled that racial segregation was constitutional if facilities were supposedly “separate but equal.” The Court claimed that separation by race did not itself amount to discrimination under the Fourteenth Amendment. Therefore, choice A is correct; the Court did not rule segregation unconstitutional.

AI-written and checked against the verified answer.