Gas vans were primarily used by the Nazis to murder victims through carbon monoxide poisoning from exhaust fumes while disguising mass killings as transportation. These vehicles misled victims into believing they were being taken to work camps, only to seal them in for extermination. This horrific method was part of the systematic approach known as the Final Solution. ;
Gas vans were primarily used by the Nazis to murder victims through carbon monoxide poisoning from exhaust fumes. These vehicles misled victims into believing they were being transported to work camps, only to seal them in for extermination. Therefore, the correct answer to the question is A. They poisoned victims with gas from the van's exhaust.
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