The denial of basic church doctrines

During the cold war, which of the following groups of countries would have all been"behind the iron curtain"

Which situation would be considered an example of the freedom of association? a. three students write a letter to a local newspaper demanding that a teacher be fired. b. a group forms on a college campus to support a particular political candidate. c. an individual purchases a membership to a local gym. d. a religious organization buys several local lots in order to construct a new church building.

Why were civil rights supporters disappointed with the supreme court’s 1896 decision in plessy v. ferguson?