Plessy v. Ferguson was a landmark decision enacted by the US Supreme Court in 1896. It stated that segregation in public facilities did not violate the Consitution, or the equality rights principles introduced by the Fourteenth and Fifteenth Amendments, as long as such facilities were equal in quality.
In conclusion, Plessy v. Ferguson legitimized segregation practices under the principle: "separate but equal".
The landmark case Plessey v. Ferguson was significant because "<span>It showed that racial segregation was constitutional</span>" since this remained the case until Brown vs. Board of Education overturned it.
The American West was indeed a land of great opportunity from 1865 to 1900 in the sense that there was an abundance of land and resources available to all those willing to go west.