Hitler did not discover anti-Semitism. Since the Middle Ages, Jews in Europe have faced bigotry and persecution, mostly for religious reasons. Christians saw Judaism as a heresy that needed to be eradicated. Jews were often compelled to convert or were barred from working in those occupations. Religion played a smaller part in the nineteenth century. That had Rega been Theories saying the distinctions between races and peoples have taken their spot. The notion that Jews belonged to a different people than, perhaps, Germans gained traction. And Christians who converted to Judaism were still 'different' due to their bloodline.
The culture of Mongolia prizes horses due to their importance to the livelihood of the people who live there, since horses have been essential there for ages.