The Marshall Plan was an initiative led by the US after WW2 that offered money to countries who needed it for war relief, the purpose was to gain international favor to the US over the Soviet Union. Basically to make capitalist US look better than the communists. The Berlin Airlift was a response on soviet attempts to deadlock West Berlin, and its purpose was to allow transport to and from capitalist West Berlin and allow it to prosper over soviet East Berlin.