The result of the plessy v. fergusson supreme court decision was that segregation laws were
a. considered constitutional.
b. now banned in the south.
c. now spread to northern states.
d. considered unconstitutional.

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.