According to the ruling in the Plessy v. Ferguson case, what made segregation acceptable?(1 point)

Responses

Segregation was acceptable on a state by state basis.
Segregation was acceptable on a state by state basis.
Segregation was legal because African Americans were not citizens.
Segregation was legal because African Americans were not citizens.
Segregation was acceptable in private facilities only.
Segregation was acceptable in private facilities only.
Segregation was legal as long as the facilities for blacks and whites were equal.

Segregation was legal as long as the facilities for blacks and whites were equal.