Answer :
The plan instrumental in spurring the economic recovery of Europe after World War II and in gaining cold war allies for the United States was Marshall Plan.
In 1948, President Truman signed the Economic Recovery Act of 1948, also known as the Marshall Plan. The plan named after the Secretary of State George Marshall, proposed that United States provide economic assistance and relief to restore the economic infrastructure of Europe after the devastations of Word War II. It is considered among the most effective US foreign aid programs. The primary objectives of the plan were to rebuild the war affected areas, remove trade barriers, improve European prosperity, modernize industry, and prevent the spread of communism.
Additionally, the Marshall Plan acts as a stimulant for US economy by establishing new markets, creating reliable trade partners, develop stable democratic governments in Europe and dues of these efforts eventually generating allies for United States in the cold war.
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