World War I or “the Great War” as it became known, occurred due to many causes, some of which are still unknown. The obvious trigger was the assassination of the heir to the Austria-Hungarian throne archduke Ferdinand and his wife Sophie on the twenty-eighth of June 1914. But a great portion of the cause dealt with past disputes between the Great Powers and such aggressive principles as Nationalism: the strong feeling of pride and devotion to …showed first 75 words of 1038 total…

…showed last 75 words of 1038 total…are its origins. Many historians have debated the roots of the Great War ever since it began. But it would be difficult to conclusively establish a single reason. Instead they attributed the reasons for First World War to many significant pieces. In conclusion, the European alliances, Militarism, Imperialism, and Nationalism all blew up the balloon of tension, which needed just a tiny pinprick to burst into battle, in this case, the assassination of Archduke Ferdinand.