Attacking Russia as Japan always seemed to me as an operation that looked sweeter then it tasted. I struggled for a long time to find a useful application of the Japan attacking Russia operation but in most cases I couldn’t see a possibility where the resources dedicated to it was the best possible outcome for the situation.
I certainly think there are options I didn’t think of, but if Germany needs the assistance from Japan to pressure Russia into submission I think there is a good sign that Japan could be dominating in the Pacific. This is a discussion thread all on it’s own so I won’t continue…