This article is related to World War II. Since it happened after the October Revolution, it is chosen in modern times and I hope it is accurate.
War is originally meant to implement one's own ideas and obtain maximum benefits.
Shortly after the First World War, the empty Treaty of Versailles could no longer maintain relations between countries. The emergence of a series of small countries after the disintegration of the Austro-Hungarian Empire created a huge power void in Europe.
Anyone who is ambitious will think this is the best opportunity.
Everyone, including the current heirs of the Frank family, the former German hereditary aristocracy, is trying to seize such opportunities, waiting for an undeclared war, and also waiting to hold the whole world in the palm of their hands.
By the way, I remember the lost time from 1936 to 1945, as well as the scarred monuments of countless nations.