User blog comment:Jazon Naparleon/Questions of Romans and Mongols/@comment-1376885-20120816212429

IV: could be its own TL, to much butterfly effect

I: He might have given up his conquests from the greif of the death of his son, or he could have been even more vicious from the grief of his dead son, it all depends on his reaction to this event.

II: Most likely no, the Japanese were a proud and vicious fighting people, although the sheer size of the horde of Mongols might overcome most of the cities the Japanese could very easily wage a guriella war for decades, the Japanese surrender to nothing short of nuclear weapons.

III: Again most likely no