I would alo point out that in a CP victory scenario a WWII or an analogue in Europe is unlikely.I've seen the topic of "what would happen in the Pacific/East Asia?" crop up on this thread a couple times, with the consensus being "Japan would still go militarist-haywire and set out to form the GEACPS by force" regardless of the circumstances.... but here's a thought....
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(No idea why it downloaded "greyed-out" like that...)
Now, the "old guard" of the German Foreign Ministry was inclined toward improving relations with China, and mistrusting the Japanese... this continued even under the Weimar Republic (Hans von Seeckt was sort of an unlikeable bastard, I know, but he was favourable toward China), and into the early years of Nazi rule... Note the Stahlhelm the Chinese officer is wearing. It wasn't until Ribbentrop that German policy shifted toward Japan, and away from China.
With a CP victory in WWI, and presumably no Nazis, there would've been no Ribbentrop (a wine merchant with poor grammar and worse writing ) anywhere near the Foreign Service... IF close Sino-German relations continued apace, and the Chinese military had been able to deliver a good come-uppance to the Japanese when they came a-knocking, where would they turn if they were still, at that point, dreaming of a great Pacific Empire? The DEI? Not likely, if the Netherlands are part of the "Germano-sphere" (and likely they would be)... Siberia? I suppose that depends upon whatever the hell happened in Russia.... Indochina? Possible, but again likely part of the Germanosphere, whether willingly or not. Hemmed in from conquest, and perhaps beaten badly early on rather than rolling 6's in the early 1940's, the militarist faction in Japan may have fallen out of favour in a hurry. Likely the "alliance system" would turn out quite differently in this scenario.
Even if the british and the french are somewhat weaker after a WWI loss than they were OTL (though unlike in the CP's case their loss is more likely to be a purely military one and not also a collapse of the homefront which IMO has much worse effects on society) they would not be bogged down in a WWII in Europe. So if Japan decided to try anything it would have to count on much more ability to resist both fromthe french and the british - which is very different compared to what happened OTL. Would they even dare to attack them in such a scenario?