Here's the challenge - have the U.S. have a cynical policy of pitting the Yellow Peril against the Red Menace to weaken both from 1918-1919 onward. Any PoD from 1907 on is OK and the U.S. does not have to have the same leaders at the same times but there does have to be WWI with a US entry on the Entente side and a Boleshevik Revolution.
In the absence of any American discouragement, would the Japanese intervene bigger and longer in the Russian Far East, or would they tire of and quit the enterprise on their own on about OTL's schedule?
What would the knock-ons be for Japan, the Soviet Union, China, Europe and the fleets of the world?
--related and more broadly. Were there any other options for the US to encourage conflict between other major powers to strengthen its own position, or for Britain or France to take an indulgent position towards a revisionist state in Europe or Asia in order to encourage it to spend its energies goring someone else's ox?
In the absence of any American discouragement, would the Japanese intervene bigger and longer in the Russian Far East, or would they tire of and quit the enterprise on their own on about OTL's schedule?
What would the knock-ons be for Japan, the Soviet Union, China, Europe and the fleets of the world?
--related and more broadly. Were there any other options for the US to encourage conflict between other major powers to strengthen its own position, or for Britain or France to take an indulgent position towards a revisionist state in Europe or Asia in order to encourage it to spend its energies goring someone else's ox?