Final answer:
On the eve of liberation, the crematorium at the camp was still operational and had been used to burn the bodies of the prisoners. The liberation of the camps was a horrifying experience for the soldiers who discovered them.
Step-by-step explanation:
On the eve of liberation, the crematorium at the camp was still operational and had been used to burn the bodies of the prisoners who had died or been killed in the camp. These crematoriums were part of the larger system of extermination camps established by the Nazis during World War II. The liberation of the camps was a horrifying experience for the Allied soldiers who discovered them, as they were confronted with scenes of mass death and extreme suffering.