The result of the Plessy v. Fergusson Supreme Court decision was that segregation laws were

Aconsidered constitutional.
Bnow banned in the South.
Cnow spread to northern states.
Dconsidered unconstitutional.

Verified Answer :

The correct answer for the question that is being presented above is this one: "c. now spread to northern states." The result of the Plessy v. Fergusson Supreme Court decision was that segregation laws were now spread to northern states.