Which of the 4 MAIN causes of World War 1 most preserved the balance of power among European countries?

The European balance of power referred to international relations between European countries during the First World War, which evolved into the present states of Europe. The Nineteenth Century political concept emerged at the Peace of Paris in 1815. It is often known by the term European State System. Its basic tenet is that no single European power should be allowed to achieve hegemony over a substantial part of the continent and that this is best curtailed by having a small number of ever-changing alliances contend for power.

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answer: are there any

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