Economic motivations: The US wanted to ensure that Europe was able to rebuild its economy so that it could become a stable trading partner and a market for American goods.
Political motivations: The US was concerned about the spread of communism in Europe, and saw the Marshall Plan as a way to prevent this by helping to rebuild the economies of Western European countries.
Moral motivations: Many Americans felt that it was their duty to help Europe recover from the war, and the Marshall Plan was seen as a way to show American generosity and goodwill.
Strategic motivations: The US also saw Europe as a key strategic partner in the Cold War against the Soviet Union, and the Marshall Plan was seen as a way to strengthen ties with European countries and to help them resist Soviet influence.
The Marshall Plan was a success in achieving its goals, and helped Europe to rebuild its economy and to recover from the war. It also helped to prevent the spread of communism in Europe and to strengthen ties between the US and European countries.