The U.S sponsored Marshall Plan designed to revive economically war—torn Europe, was viewed with suspicion Stalin. An ominous Sign was thecreation of the Communist Information Bureau Cominform in September 1947 At its in augural meeting close aide to Stalin announced to the assembled delegates that Europe and the world in general were divided into two hostile camps, capitalist and communist. Then in February 1948 the Czech government was overthrown and soon after the Soviets began harassment of western trains into Berlin. By mid June the blockade of the three western sectors of Berlin had begun. Road and rail