According to the ruling in the Plessy v Ferguson case, why was segregation acceptable?

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

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