What stopped the Japanese from taking, at the very least northern Sakhalin and other islands? Why didn't the Japanese take the opportunity to achieve hegemony in the region by taking Vladivostok?
What sort of armed forces were present that would have opposed the Japanese?
If history had happened as OTL until 1920, except that Japan occupied nearby islands and Russian Manchuria to the Amur, how would the upcoming decades be affected?
What sort of armed forces were present that would have opposed the Japanese?
If history had happened as OTL until 1920, except that Japan occupied nearby islands and Russian Manchuria to the Amur, how would the upcoming decades be affected?