In 1939–1941, the occupiers carried out expulsions of Poles, whose houses, shops and workshops were then handed over to German colonists as part of the Lebensraum policy. In 1943, many Polish children were kidnapped and imprisoned by the Germans in a camp for Polish children in Łódź, which was nicknamed "little Auschwitz" due to its conditions.
Between 1939 and 1941, German occupiers forcibly removed Poles from their homes, which were then transferred to German settlers under the Lebensraum policy. In 1943, many Polish children were taken captive and imprisoned by the Germans in a camp for Polish children in Łódź, earning it the nickname 'little Auschwitz' due to its poor conditions.