Japan during World War II reconstruct the "'critical mass' of both large numbers of carriers and well-trained air groups". Australian land forces defeated Japanese Marines in New Guinea at the Battle of Milne Bay in September 1942, which was the first land defeat suffered by the Japanese in the Pacific. Further victories by the Allies at Guadalcanal in September 1942, and New Guinea in 1943 put the Empire of Japan on the defensive for the remainder of the war, with Guadalcanal in particular sapping their already-limited oil supplies. During 1943 and 1944, Allied forces, backed by the industrial might and vast raw material resources of
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