I think that it would be B.trade
The Nazis established killing centers for efficient mass murder. Killing centers were almost exclusively “death factories.” They are also referred to as “extermination camps” or “death camps.” Nazi concentration camps, by contrast, served primarily as detention and labor centers. At the killing centers, Nazi officials employed assembly-line methods to murder Jews and other victims. German SS (Schutzstaffel; Protection Squadrons) and police murdered nearly 2,700,000 Jews in the killing centers by asphyxiation with poisonous gas or by shooting.
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In the Zoroastrian religion of Persia, the swastika was a symbol of the revolving sun, infinity, or continuing creation.
It is one of the most common symbols on Mesopotamian coins.
The icon has been of spiritual significance to Indian religions such as Hinduism, Buddhism and Jainism.
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