>The worst was almost certainly Poland, which had 3.3 million Jews before the war (for reference: 18% of the Jewish population of the world, over 33 percent of that of Europe), killed 82-89% of them

Wow, that was done by Poles in Poland? How did that happen? Certainly the whole nation had to be behind this? [0]

>some German-occupied country in World War Two

Ah, the bare minimum mention at the end.

[0] https://en.wikipedia.org/wiki/Righteous_Among_the_Nations#Nu...