Final answer:
The Supreme Court's decision in Plessy v. Ferguson upheld racial segregation under the 'separate but equal' doctrine, addressing interpretations of the Fourteenth Amendment's equal protection clause.
Explanation:
Plessy v. Ferguson was a landmark Supreme Court case in 1896 that upheld the constitutionality of racial segregation laws under the doctrine of 'separate but equal.' The case focused on the interpretation of the Fourteenth Amendment's equal protection clause, with the Court ruling that segregation did not violate this clause as long as the accommodations provided for both races were equal.
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