New studies on memories and testimonies from the period highlight the 'bystander effect' as one of the key factors that led to the horrific event. The study also highlights how the period context prevented wider resistance.

As Sebastian Hefner wrote from exile in Britain, the real question facing Germans under Nazism was simple: "Do I or do I not have the courage to bear the inevitable consequences of my beliefs?" Were we wrong? We will fix it! If you found an error in the article, we would appreciate it if you shared it with us.