During the period of the Cold War, the world's two superpowers, America and the Soviet Union, exploited every aspect of national life and policy in their countries for purposes of propaganda. The Cold War was "a war fought with propaganda and economic weapons, stopping short of military confrontation, as between the USA and the USSR after 1945."
After World War II Stalin achieved domination over many of the countries of Eastern Europe in late 1945 creating a huge communist bloc including Poland, Romania, Hungry, Bulgaria and Albania. Truman, the new president in 1945, after Roosevelt died was much more anti-Communist than his predecessor. By 1946, the "friendship" between the two allies had broken down and they did not trust each other.
In response and in order to prevent the spread of communism, the US developed the Marshall Plan which offered US aid to European countries after the war, but in return, the US could exert influence on the internal governments of those countries receiving aid. The countries had to adopt democratic policies and purchase American goods. Obviously, the Soviets and other communist countries rejected the plan. In addition, the Truman Doctrine, known as the doctrine of containment allowed the US to send money, advice and equipment to countries to prevent communist takeovers. This plan and doctrine shows quite clearly that the US had no intent to remain separate from Europe unlike its previous Isolationist policy, and it had no intent to allow the spread of communism within Europe.
In 1948, Stalin blocked the roads to West Berlin to cut off the suppliers provided from the Allies in the hope that Berlin would be dependent on the USSR. The US did not want to break down the roadblocks and cause a war but they did not want to give in to the USSR. Instead, they airlifted supplies to the citizens of West Berlin. This continued for ten months until Stalin opened the roads. Each side...