what was the subject of the louisiana laws upheld by plessy v. ferguson?
a.
grandfather clauses
b.
poll taxes
c.
separate rail facilities
d.
women’s suffrage
e.
peaceful protest

C.separate rail facilities

Explanation: the answer is C.separate rail facilities because In Plessy v. Ferguson, the principal matter revolves through a tipical racial segregation where you can find that banned the African American citizens from using the Same facility as the White citizens, so we have to keep in mind the years where this happen, also is extremely important in specific the use of rail facilities. also At that time the supreme court ruled in favour of racial segregation.

at that time all people think you can use all the people who were not white as a machine, or something similar.

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.

d) post-world war i