How was the Berlin airlift related to the Truman doctrine the Marshall plan and the north Atlantic treaty organization?

The Berlin Airlift was a direct response to the Soviet blockade of West Berlin in 1948, reflecting the principles of the Truman Doctrine, which aimed to contain communism. It demonstrated the U.S. commitment to supporting free nations against communist threats. The Marshall Plan, which provided economic aid to rebuild Western Europe, complemented this strategy by stabilizing economies to prevent the spread of communism. Additionally, the formation of NATO in 1949 solidified military alliances among Western nations, ensuring collective defense against Soviet aggression, further reinforcing the objectives of the Berlin Airlift and broader containment policies.