Mark each statement regarding the growth of communism in asia and its affect on the united states if it is true.

a.
the communists defeated the nationalists in the chinese civil war.

b.
south korea invaded north korea in the early 1950s, sparking the korean war.

c.
americans persecuted their fellow citizens because of the fear of communism.

d.
americans became fearful and worried that communism would dominate the world.