Economic system found in the USSR and Eastern Europe, with everything owned by the state, no private business, and an emphasis on equality and an advanced living standard for all
The Berlin Blockade and Airlift marked a major escalation in superpower tensions and the first major foreign policy defeat for the Soviet Union after WWII
The communist victory in China under Mao Zedong was a development of deep concern for the US government, leading to the development of the Domino Theory