Effect of the norms of the international treaty between USSR and Germany non-aggression treaty of august 23, 1939

The article shows the reasons and also traces the chain of events that followed the signing of the Non-Aggression Pact between the USSR and Germany on August 23, 1939, which ultimately led to a large-scale military disaster. The catastrophic nature of the development of events at the beginning of the Great Patriotic War is revealed.