One way to remember the FOUR main causes of World War I is to remember the acronym M – A – I – N. (M = Militarism, A = Alliances, I = Imperialism, and N = Nationalism.) MILITARISM was one of the four major causes of the war. It was an “arms race.” Because Britain had a large navy, Germany wanted a large navy too.
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Three factors leading to war were factors such as nationalism, imperialism, and a growing arms race or militarism. The two groups of nations developed were called the Triple Alliance and The Triple Entente Alliance. In June 1914, a Serbian killed Archduke Franz Ferdinand, the heir to the throne of Austria-Hungary.
