Besides it is a well known fact that the Japanese committed many dastardly war crimes in China and other occupied territories. Among these were purposely infecting civilian chinese with diseases and then study the disease in progress by performing "post mortem" analysis on these people, I put "post mortem" in quotes 'cause they did these studies on the people while they were alive and without any anesthesia! To this day the Japanese in general won't admit to this and only see themselves as victims. That doesn't mean every Japanese is like this, but too many are..... try picking up a Japanese history book as they use them in their schools and you will see they hardly mention WWII, and if they do, they will talk about Japan's struggle to try to rid Asia of Western imperialism! Imagine the outcry if Germany suddently removed all references of the holocaust from their history books!
Anyway, there is _no_ country that existed that hasn't at one point or another comitted atrocities! I can point to my own country, Denmark, which during the Kalmar union comitted the Stockholm bloodbath in which Christian II (the king at that time) killed off most of the Swedish nobility....