Identify the constitutional provision that allowed states to segregate their citizens

See below

Explanation:

Separate but equal, plessy v ferguson case where a man was part African and sat in the white section of a train, he was arrested and convicted and then appealed his conviction to the supreme court. his lawyers argued that the separation of races violated the 14th amendment equal protection clause. The supreme court saw it differently and claimed separate but equal in public facilities satisfied the amendment.

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