Which of the following is true about thurgood marshall? a. he was the first african-american to serve on the united states supreme court b. he convinced the u. s. supreme court that the policy of "separate but equal" as defined by the plessy v. ferguson case was unconstitutional c. as chief counsel for the naacp he was an avid crusader for equal rights d. all of the answer choices are correct

The correct answer is D

All of the answer choices are correct

Marshaal served as an associate justice of the US supreme court from 1967 to 1991,as the only african american. he was an avid equal protection crusader as a chief counsel for NAACP. During the Brown vs education board, he won the case which paved the way for an end to racial seggregation, arguing against the separate but equal precedents established by the Plessy v. Ferguson ruling.

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explanation:

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