They believed in the separation of the races.
Bān Zhāo, courtesy name Huiban, was the first known female Chinese historian. She completed her brother Ban Gu's work on the history of the Western Han, the Book of Han. She also wrote Lessons for Women, an influential work on women's conduct. She also had great interest in astronomy and mathematics and wrote poems, commemorative writings, argumentations, commentaries, essays and several longer works, not all of which survive. She became China's most famous female scholar. Hope it helps
The secret police attempted to identify citizens who opposed the Communist Party and who could undermine it.
It was through Propaganda and Silencing of people lead to people denying the fact that the holocaust was happening, and only rumors about concentration camps where among ally troops until they finally liberated them.
The holocaust was the mass genocide of jewish people by the nazi party so the so called "superior" german race could rule over Europe. Nazis beliwved jews were the rats that were investing Europe.
He did not break terms of the Treaty of Versailles by making a treaty with Russia.