Answer:
Under the Alien Registration Act of 1940, also called the Smith Act,
Communist Party leaders are convicted of conspiring to advocate the
overthrow of the U.S. government by force; Communist-led unions are
expelled from the Congress of Industrial Organizations
In 1954, U.S. Supreme Court declares school segregation unconstitutional in
Brown v. Board of Education; in response, southern whites form Citizens
Councils to lead a campaign of "massive resistance" to desegregation.