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  It was an arms race between the two most powerful country on the globe, Soviet Union and the US. It is a competition to see who can get better nuclear weapons during the Cold War.
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  These trials were for the Nazis who participated in the Holocaust, and the goal was to excecute them.
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  A national Barrier that separates Western Germany and Eastern Germany due to the decline of communism.
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  The Cold War is a war fought between the two most powerful countries, the United States and Soviet Union in an arms race.
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  It involved resisting Soviet aggression in order to contain the spread of communism. Tensions between East and West becomes severe.
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  The Truman Doctrine was made by President Harry. S. Truman to counter Soviet Expansion in Europe during the Cold War.
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  The Marshall plan is to aid the European countries to recover and build their economies after WW2. It is also known as the European Recovery Programm or ERP.
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  When the Soviet Union blocked off supplies from other places to Berlin, NATO organized a group to give supplies to Berlin through air crafts.
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  North Atlantic Treaty Organization is the first peacetime military alliance the US joined after WW2, the nations of Europe tries to rebuild their economy.
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  The Warsaw pact was made in Response by the communist countries like the Soviet Union to the newly formed NATO.