| Eastern Europe | Taken over by U.S.S.R. in the name of liberation. Truman vowed it would not happen to other developing nations |
| NATO | Formed as security for all western nations against communist takeover. |
| Chinese civil war | War between communist Mao Zse Tong and nationalist Chaing-Kai Shek. The communists took over and forced the nationalists to retreat to Taiwan |
| Greece and Turkey | Two countries that were seavd from communist takeover through U.S. intervention. |
| Yugoslavia and Albania | Two countries that were taken by the communists, but refused to join with the U.S.S.R. |