2 IGCSE History resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter IGCSE SubjectClear filter History Exam board Edexcel TopicClear filter Big Three: Stalin (USSR), Roosevelt (USA, Churchill (GB) Resources Causes and effects table Grid Iron Curtain speech (5 March 1946) IGCSE, History Grid 5.0 / 5 Testing of American atomic bomb (16 July 1945) IGCSE, History Grid Search again