A lot of the world was hot for eugenics at the time the US in particular, a lot of the pre-Final Solution laws were systematizing things that were happening in

A lot of the world was hot for eugenics at the time the US in particular, a lot of the pre-Final Solution laws were systematizing things that were happening in the US on an basis ranging from ad-hoc to legal; sterilization of people with mental issues, miscegenation laws, etc.