Germany in 1900 was one of the most tolerant places in the world for Jews; in any country, things can change a lot in a few decades.
Not every nation that adopts the latter policy ends up with genocide. Yet the historical record is clear that mass disarmament of citizens can be the gateway to millions of deaths by mass shooting.
November 9, 2017
Mass shootings in gun-free nations
[See also, Hitler’s Willing Executioners and Death by “Gun Control”: The Human Cost of Victim Disarmament.—Joe]