The Cold War so far....

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Across
  1. 1. city was spilt into 4 zones Berlin
  2. 3. Which leader was at both Potsdam and Yalta
  3. 5. Which president was the doctrine named after that aimed to help countries in Europe
  4. 6. Which war was the first time the USA and Soviet Union fought a proxy war
Down
  1. 2. which country did the Soviet Union put its missiles in
  2. 3. what was the name of the first object launched into space
  3. 4. What was the first meeting between the Big Three in May 1945