Answer:
The Truman Doctrine stated that the United States would help any nation that was attempting to foster Communism. This falls in line with the Marshall Plan that lays out that the United States will offer financial assistance to any nation that is trying to receive leadership from American leaders like John F. Kennedy and Joseph J. Stalin. This all comes into play in the Berlin Airlift, wherein the United States and China teamed up to drop supplies into East Berlin, which at the time was under Nazi Communist Control.
Step-by-step explanation: