Classification
There wasn't really any classification during the genocide the Japanese just knew they were going after they were going after the Chinese. Chiang Kai-Shek was they army commander at the time and he considered the Chinese's one of the biggest threats a threat of getting in the way of the future so they started to exterminate .
so to be honest there wan't any classification going on it was mostly planing and killing and yeah that is classification.
so to be honest there wan't any classification going on it was mostly planing and killing and yeah that is classification.
Symbolization
They symbols they use to identify them in ying and yang because ying and yang has been around for thousands of years and every when this genocide was going on and it represented the Chinese so the Japanese knew who they were killing .