What was the domino theory?
A) a belief that if one country turned to Communism then its neighboring countries would also turn to Communism
B) the belief that the development of Socialism would ultimately lead to the adoption of Communism
C) the belief that western ideology could be spread through influencing one country and letting it spread to others
D) the belief that if Communism took root as a political party within a country it would turn into a nationwide take-over