World War II communists launched an offensive in Central China; in retaliation, Japan instituted harsh measures in occupied areas to reduce human and material resources for the communists. Continued antipathy between Chinese communist and nationalist forces culminated in armed clashes in January 1941, effectively ending their co-operation. In March, the Japanese 11th army attacked the headquarters of the Chinese 19th army but was repulsed during Battle of Shanggao. In September, Japan attempted to take the city of Changsha again and clashed with Chinese nationalist forces. German successes in Europe encouraged Japan to increase pressure on European governments in Southeast Asia. The Dutch government
German military administration in occupied France during World War II underground to avoid imprisonment and subsequent deportation to Germany. For the most part, those "work dodgers" ("réfractaires") became "maquisards". There were German reprisals against civilians in occupied countries; in France, the Nazis built an execution chamber in the cellars of the former Ministry of Aviation building in Paris. Many Jews were victims of the Holocaust in France. Approximately 49 concentration camps were in use in France during the occupation, the largest of them at Drancy. In the occupied zone, as of 1942, Jews were required to wear the yellow badge and were only allowed to ride in the last carriage