Chinese Muslims in the Second Sino-Japanese War were courted by both Chinese and Japanese generals but they tended to fight against the Japanese with or without the support of higher echelons of the other Chinese factions. Japanese atrocities committed against Hui Muslims During the Second World War, the Japanese followed what has been referred to as a "killing policy" against the Hui Muslims and destroyed many mosques. According to Wan Lei, "Statistics showed that the Japanese destroyed 220 mosques and killed countless Hui people by April 1941." After the Rape of Nanking, mosques in Nanjing were found to be filled with dead bodies. The Japanese also followed a policy of economic oppression which made many Hui jobless and homeless because it involved the destruction of mosques and Hui communities. Another policy which involved deliberate humiliation included soldiers smearing mosques with pork fat, forcing Hui to butcher pigs and forcing them to feed the soldiers, and forcing Hui girls to supposedly train as geishas and singers but in fact making them serve as sex slaves. Hui cemeteries were destroyed for military reasons. The Hui Muslim County of Dachang was subjected to slaughter. While constructing the Tokyo mosque, the Japanese soldiers destroyed tens of hundreds of mosques and killed hundreds of thousands of Hui Muslims in China. On 10 February 1938, the Legation Secretary of the German Embassy, Rosen, wrote to his Foreign Ministry about a film made in December by Reverend John Magee about the Nanking Massacre to recommend its purchase. Here is an excerpt from his letter and a description of some of its shots that are kept in the Political Archives of the Foreign Ministry in Berlin. The Japanese killed 11 Hui Muslims in a household, as described below: During the Japanese reign of terror in Nanking – which, by the way, continues to this day to a considerable degree – the Reverend John Magee, a member of the American Episcopal Church Mission who has been here for almost a quarter of a century, took motion pictures that eloquently bear witness to the atrocities committed by the Japanese ... One will have to wait and see whether the highest officers in the Japanese army succeed, as they have indicated, in stopping the activities of their troops, which continue even today. On December 13, about 30 soldiers came to a Chinese (Hui Muslim) house at #5 Hsing Lu Koo in