How was the Holocaust humanly possible

I think this happened because of all the propaganda they were litterally brainwashed into believing which is why so many people died at their own expense. Why so much support of course it can be possible.

.elections are held to determine who serves in congress.

the following best describes postwar era writers in their works:

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.