AP Euro Mckay Ch.28 By violetbathgate Period: Jan 1, 1945 to Jan 1, 1947 United Nations Relief and Rehabilitation Administration The UNRRA opened over 760 DP camps and spent 10 billion to house, feed, clothe, and repatriate the refugees. Jan 1, 1949 East & West Blocs in Europe By this time most of Europe was divided into East and West Blocs allied with the U.S.S.R and the U.S.