Why didn't Japan attack the Soviet Union in 1941?
Why didn't Japan support Germany's attack on the Soviet Union during Operation Barbarossa? I know that Japan had signed a non-aggression pact, but Hitler didn't really care. So why didn't Japan attack the USSR as well?
Japan was only a little ahead in the war against China, and had now also developed with GB and the USA. That was more than enough.
What are the reasons for in another war for nothing but ice and trees? As crazy as Hitler was nobody else on Earth.
In short, because Japan had completed a non-attacking pact with the Soviet Union
Soviet–Japanese Neutrality Pact – Wikipedia
Longer:
There were two competing currents in Japan related to the question in which direction the empire should be extended.
only to the south
Nanshin-ron – Wikipedia
or to the north
Hokushin – Wikipedia
The first was the plan of the Navy, the latter of the plan of a faction within the army.
The group, which supported this plan, had the most power at the beginning of the 30s (thus the invasion of Manchuria) but became increasingly weaker in the further course.
Imperial Way Faction – Wikipedia
Also due to the coup attempt in 1936
February 26 incident – Wikipedia
Finally, plans for expansion to Siberia were buried due to a number of defeats suffered by the Japanese army against the Red Army.
Soviet–Japanese border conflicts – Wikipedia
Thus, the marine was able to penetrate with the south-facing expansion. To do this, one needed the back and closed a non-attacking pact, which one also kept.
"Shortly because Japan had completed a non-attacking pact with the Soviet Union"
Then why did Germany attack the Soviet Union?
Why didn't Japan attack the Soviet Union in 1941?
Could Japan have attacked the USSR in 1942?
After the Japanese invasion of the US fleet in Pearl Harbor in 1941, Hitler declared America war. Conversely, Tokyo remained neutral to the Soviet Union. They had learned from defeats.
Could Japan have attacked the USSR in 1942?
Because Japan had a five-year contract with the Soviet Union, not to attack.
https://de.wikipedia.org/wiki/Japanese-Soviet_Neutralit%C3%A4tspakt
Only when Richard Sorge reported this out of Japan, Stalin moved away from the 50 divisions there standing troops, soldiers and set them in front of Moscow and Stalingrad.
Japan had to do full with its caring army in China, Korea, down to Singapore.
https://de.wikipedia.org/wiki/Kwantung-Armee
Because Japan had no interest in it. After all, they had their hands full in China.
The first comment I can really start with
The Russians were also totally uninteresting for the Americans!
… because of the bad eco and CO2 balance sheet and climate change in terms of global warming ☝️