The First World War did not resolve all the contradictions between the great powers - the Kaiserreich, which retained its military power, weakened but still powerful England, the United States of America, striving for world domination, and People's Russia, born on the ruins of the Russian Empire - and was not the last war in human history. And before the ink had even dried on the multilateral peace treaty signed in Rotterdam, a new global conflict, irreconcilable and merciless, began to mature on the planet.