Exports have traditionally played an important role in the supply and demand outlook each year for the three most important (as measured by planted area) U.S. field crops: wheat, corn and soybeans. Grain exports were an important part of U.S. aid to wartorn Europe immediately following the end of European hostilities in 1945. Assistance for the reconstruction of Europe continued under the more formalized Marshall Plan established in 1948. In 1954 Congress passed PL 480 authorizing USDA to make sales of U.S. grains to needy countries under concessional terms.Exports of wheat and other grains under PL 480 during the 1950s and 1960s were a major part of total U.S. grain exports during that period, especially when USDA began to use sales unde...