The first alternative is correct (A).
Marshall Plan, or European Recovery Plan, was a program of US economic aid to Western European countries after World War II. The objective of the plan was to rebuild economically the Western European countries that were destroyed or that suffered losses with the occurrence of the war.
The Marshall Plan was named in honor of its founder George Catlett Marshall, a US Army general, and made a contribution of $ 18 billion to Europeans used to rebuild buildings and industries, import food and industrialized goods, and as in the financing of agriculture.