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Gassing (in gas chambers) killed most prisoners most quickly.
by putting them in gas chambers
Prisoners were told the gas chambers were showers.
During the Holocaust, millions of Jews, along with other groups such as Roma people, Soviet prisoners of war, and disabled individuals, were killed in gas chambers by the Nazis as part of their genocidal policies. This occurred primarily in extermination camps such as Auschwitz, Treblinka, and Sobibor.
The gas chambers.
No. Poland holds no responsibility for the concentration camps, they were in Poland, but they were owned and run by the Germans.
They were sent to the gas chambers.
They were sent to the gas chambers.
It started off with guards just shooting the prisoners. But when this proved not to be as effective, they changed to the gas chambers. Jews were loaded into a room and poisonous gas was leaked inside.
If the question is about prisoners held in the Nazi German Concentration Camps during the Second World War, then anyone of them not fit to work for the Nazis were sent to the Gas Chambers (or other methods) to be killed. Those fit to work, were used as slave labor until they were starved or worked to death.
They were sent to the gas chambers.
One of the methods were gas chambers.