Jugashvili
管官的官
In 1941 Japanese realized that trying to expand in USSR is futile and that they should focus on expanding in the opposite direction, and on April 13, 1941 Japan and USSR signed a neutrality pact. An it was Japan which attacked and deadlocked itself on Americans.
Absolutely.
Also, this allowed the Soviets to shift 18 divisions of quality troops from the Siberian and far Eastern Military Districts to Moscow, contributing to stop the German advance. The Japanese didn't make a move even though the Soviet eastern border was weakened until they massed forces there again in 1945 for the invasion of Manchukuo.