After hitler came to power in 1933, how was anti-semitism seen in germany?
it was against the law.
it was encouraged and supported.
it was subtle and hidden.
it was unrecognized until wwii broke out.

B) It was encouraged and supported

Explanation:

Germany encouraged and supported hating, well, pretty much anyone who had different religious and political views, sexuality, etc.

If anyone reading this has watched JoJo Rabbit I highly suggest you watch it, it gives an interesting point of view of the holocaust from a German boy's point of view, slowly realizing how messed up it is. Trust me, just watch the movie it's so worth it

the world may never know

probally   a few days after there called