Which term is defined as “a legal doctrine that permitted racial segregation in public facilities?” mandate
affirmative action
desegregation
separate but equal

Separate but equal.

Explanation:

"Separated but equal" was the main motto that legitimized racial segregation against African Americans in the southern states of the United States. This phrase, used from 1890 in Louisiana and endorsed by the Supreme Court ruling in Plessy v. Ferguson of 1896, established that the public and private services offered to citizens would be different by virtue of the racial component of each person. Thus, they would separate whites from minority groups, such as African Americans and Latinos, establishing better quality services for the former. This doctrine ceased to apply only in 1954, after the ruling of the Supreme Court in Brown v. Board of Education.

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