The court case Plessy v. Ferguson challenged the legality of racially segregated facilities.
scare tactics to enforce Jim Crow laws.
racially segregated housing.
“separate but equal” schools.

Racially segregated facilities.

Explanation:

Many questioned the legality of the government to allow racially segregated facilities which brought on the case. The result of this was "separate but equal" facilities that was essentially a judicial betrayal to the black community.

A.) racially segregated facilities.

Explanation:

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