The excerpt below is from the Supreme Court's decision in Plessy v. Ferguson (1896). Laws permitting, or even requiring, the separation of the races do not place a badge of inferiority upon one group over another. Thus it is not a violation of the Fourteenth Amendment.
What practice did this ruling uphold?

Group of answer choices

job training for freedmen

free public schooling for all races

racial segregation in public places

African-American participation in politics