United Nations Relief and Rehabilitation Administration (UNRRA), organization founded (1943) during World War II to give aid to areas liberated from the Axis powers. There were finally 52 participating countries, each of which contributed funds amounting to 2% of its national income in 1943. A sum of nearly $4 billion was expended on various types of emergency aid, including distribution of food and medicine and restoration of public services and of agriculture and industry. China, Czechoslovakia, Greece, Italy, Poland, the Ukrainian SSR, and Yugoslavia were the chief beneficiaries. UNRRA returned some 7 million displaced persons to their countries of origin and provided camps for about 1 million refugees unwilling to be repatriated. More than half the funds were provided by the United States, and the three directors general—Herbert H. Lehman, Fiorello La Guardia, and Gen. Lowell Rooks—were American. UNRRA discontinued its operations in Europe on June 30, 1947. Its remaining work, chiefly in China, ended on Mar. 31, 1949. The functions of UNRRA were transferred to other UN agencies, chiefly the International Refugee Organization International Refugee Organization (IRO), temporary agency of the United Nations , established in 1946. In arranging for the care and the repatriation or resettlement of Europeans made homeless by World War II, the organization brought to a conclusion part of the
..... Click the link for more information. , the Food and Agriculture Organization Food and Agriculture Organization (FAO), specialized agency of the United Nations, established in 1945. The organization is governed by a conference composed of the entire membership (189 nations plus the European Union), which meets at least once biennially, and by
..... Click the link for more information. , and the United Nations Children's Fund United Nations Children's Fund (UNICEF), an affiliated agency of the United Nations. It was established in 1946 as the United Nations International Children's Emergency Fund.
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United Nations Relief and Rehabilitation Administration

Administrative body (1943–47) for an extensive social-welfare program for war-ravaged nations. It distributed relief supplies and services, including shelter, food, and medicine, and helped with agricultural and economic rehabilitation. Its functions were later taken over by the International Refugee Organization, the World Health Organization, and UNICEF.