Question: Which Supreme Court case in the 1940s was related to the protest that the participants of the Civil Rights Movement at The Greyhound Bus Station at 210 South Court Street in Montgomery, Alabama participated in?
Sentence (from "Freedom Riders"): Freedom Riders were civil rights activists who rode interstate buses into the segregated southern United States, in 1961 and subsequent years, in order to challenge the non-enforcement of the United States Supreme Court decisions "Morgan v. Virginia" (1946) and "Boynton v. Virginia" (1960), which ruled that segregated public buses were unconstitutional.
Relevant evidence: Yes