As we see flashes of an emboldened right-wing across Europe and the Americas, the thing that fascinates me most is how does a liberal, modern society transform into a population capable of killing on the scale seen during the 1930s and 40s.
Timothy Snyder’s book Black Earth gets closest to this answer than anything I’ve read previously, but what’s most disturbing about it isn’t the descriptions of violent death and acts of cruelty carried out by the Nazi’s, it’s that western societies are scarily close to repeating history.
In 1935, Mayer, an American journalist of German and Jewish descent, travelled to Germany in an attempt to secure an interview with Hitler. He failed in this task, but what he saw in Germany terrified him enough to know that Hitler wasn’t the person he needed to speak to. Instead, he interviewed ten everyday Germans — a tailor, a cabinet maker, a salesman, a student, a baker, a bill-collector, a teacher, a policeman, and a bank clerk — to decipher how it was that the Nazi movement had swept the country.