Japan during World War I July 1916, Japan and Russia signed a treaty whereby each pledged not to make a separate peace with Germany, and agreed to consultation and common action should the territory or interests of each in China be threatened by an outside third party. Although Russia had a claim to Chinese territory by the Kyakhta and other treaties, Japan discouraged Russia from annexing Heilongjiang and began to slowly push the other powers out, such as the Germans in the Twenty-One Demands (1915). The delineating line between Russian (north) and Japanese (south) spheres of influences in China was the Chinese Eastern Railway. On
German camps in occupied Poland during World War II Łódź with hundreds of subsidiary "Arbeitskommandos"; Stalag VIII-B, Stalag XXI-D, plus a network of smaller ones including district camps. Many Soviet prisoners-of-war were also brought to occupied Poland, where most of them died in slave labor camps. The POW camp in Grądy (Stalag 324) held 100,000 Soviet prisoners; 80,000 of them perished. The Germans did not recognise Soviets as POWs and several million of them died in German hands. They were fed only once a day, and the meal would consist of bread, margarine and soup. The Polish nation lost the largest portion of its pre-war population during World War