it added theological debates.
Judaism. A Jew is a follower of Judaism. Jewish is NOT a race.
The struggles are the Holocaust
Hitler didn't just affect the Holocaust, he was the Holocaust.
because the followers of Judaism were singled out for especially murderous treatment.
That is a theological question in Judaism and is controversial.
Jewish answer: He didn't. He was not one of the Torah-sages and therefore had only local, minimal influence, if any.
There were about 18 million.
Germany was defeated. Judaism survived.
They were from top to bottom, resistors of the Nazi oppression of Judaism.
The Holocaust
During the holocaust, the main religion affected was Judaism. Please don't be daft, phrase your question more carefully next time.
* There about 15 million Jews (adherents of Judaism) in the world. * By no means all of them are Holocaust survivors or descended from Holocaust survivors.