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 camps in occupied Poland during World War II of Poland with comments made without awareness of the controversy. German camps in occupied Poland during World War II The German camps in occupied Poland during World War II were built by the Nazis between 1939 and 1945 throughout the territory of the Polish Republic, both in the areas annexed in 1939, and in the General Government formed by Nazi Germany in the central part of the country "(see map)". After the 1941 German attack on the Soviet positions in eastern Poland, a much greater system of camps was established, including the world's only industrial extermination camps constructed specifically to