C- Equal protection of the law under the 14th amendment was the center of focus in the infamous 1896 case of Plessy v. Ferguson.
It stated that separate but equal facilities were constitutional in terms of various aspects and that they upheld the racial differentiation laws that existed in the country.
It needed to make the 14th amendment of the year 1896 regarding the equal protection clause which gave every individual the battery that they cannot be denied any kind of services merely on the biased nature of races.
Hence, option C is correct that the equal protection of the law under the 14th amendment was made under the infamous case of Plessy v. Ferguson(1896).
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https://brainly.com/question/969094