Some Japanese scholars believe that the horrors of the Rape of Nanking and other outrages of the Sino-Japanese War were caused by a phenomenon called “the transfer of oppression.” According to Tanaka Yuki, author of Hidden Horrors: Japanese War Crimes in World War II, the modern Japanese army had great potential for brutality from the moment of its creation for two reasons: the arbitrary and cruel treatment that the military inflicted on its own officers and soldiers, and the hierarchical nature of Japanese society,