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The alliance system was created by Otto von Bismark, and later formed the alliances between the Central Powers and the Great Powers in WWI. Technically, it hasn't ended. The "League of Nations" was created by the Americans before WWII (though America didn't join it), and was another form of alliance. After WWII, there is now something called the "United Nations" which is also a form of alliance. -Sangel99

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17y ago

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