In addition of the answer that was stated, also they failed to realize the audacity and ferocity of the Nazi Party and Adolf Hitler that started a new world war and large scale of exterminations for the dream future and living space. Also they failed to stop him in his genocides and large war crimes committed during the war.
The reason why an outsider would find Chelmno so quiet in comparison to other camps Prisoners were killed in mobile gas vans on the way to the camp.
During the holocaust in Germany a lot of Jews were killed. The Chelmno was an established Jew killing center. Gas poison was used the murder this people in their numbers.
When the killers got hold of the Jews, they would lead them to a truck that could contained up to 50 people. Immediately the trucks were full, they would introduce carbon monoxide into the vans.
The Jews died by asphyxiation. After their death the van would be moved into the forest camps were there bodies are deposited.
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D- Humanism. Plz Branliest
