I'm pretty sure it was the Auschwitz, wait no I know it's that place. Auschwitz is the most well known and largest of all the concentration camps. It's main purpose was for killing Jewish people. It's believed they killed over 1.1 million people IN JUST Auschwitz...They're were plenty more concentration camps that killed people though.
(Here's a picture of it today...)
In Medieval Times humans were shorter and fatter while humans during the renaissance where tall and skinny yet unproportional
American settlers took their land.
Answer: De facto segregation exists even though it is not required by law.