With imagery of the Third Reich still prominent in many minds, some have called the Nazis sociopaths. Others have been more lenient, blaming crowd mentality for the atrocities committed by lower-ranking officials.
RELATED: Why The U.S. Still Hunts Nazis
But there is now strong evidence that drugs may have played a large role in both the rise and decline of Nazi Germany. So, what drugs were the Nazis taking, and did they start a global trend?
Read more about drugs in the Nazi army:
DW Akademie: A fresh light on the Nazis' wartime drug addiction
The Daily Beast: Uncovered Records Show Nazis Were High on Meth