1 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 TopicClear filter the alliance system before 1914 Resources Flashcards Multi-tool -Section 1 - why did war break out? international rivarlry 1900-4 GCSE, History 17 flashcards Search again