PLEASE HURRY How does the idea of the domino theory relate to the spread of communism? It was employed by pro-communist countries to spread communism around the
world little by little.
It was used by anti-communist nations to oppose the spread of communism in
one country at a time.
It was the idea that if one nation fell to communism, others would soon follow
the example.
It was the belief that communism would naturally spread as workers united in
different countries.

Where did the term “iron curtain” originate? the warsaw pact used the term iron curtain as a code word for communism. in a 1946 speech, british prime minister winston churchill said an iron curtain had fallen across the continent of europe. while visiting western europe in 1946, u.s. president harry truman commented that the mountains there looked like iron curtains. russian general secretary joseph stalin instructed citizens of eastern europe to hang iron curtains over their windows to protect themselves from stray bullets.