3 GCSE History resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter History Exam board Edexcel OCR TopicClear filter international relations Resources Crossword Flashcards Multi-tool Quizsearch Revision Cards section 3:why did war break out?1929-39 GCSE, History 23 revision cards history GCSE, History 6 flashcards cold war GCSE, History 17 flashcards Search again