Which statements relate to the growth of communism in asia and it's affect on the united states?

choose all answers that are correct.

a) the communist defeated the nationalists in the chinese civil war.
b) south korea invaded north korea in the early 1950s, sparking the korean war.
c) americans were persecuted their fellow citizens because of the rest of communism
d) americans became fearful and worried that communism would dominate the world.