The bolshevik revolution scared and freaked people out during the era write or our attitudes toward this now are so much calmer than people back thenit would have felt. The more traditional and conservative your society, the more threatened you were likely to be by what was seen at the time period as a utopian experiment. A fear of communism plays into the of imperial japanese history, and they will never get over this phear. And it's worth knowing that the largest army japan will deploy in the second world war by far, will be the one that is standing by just in case the soviet union attacks them.