Cuz apparently people don't want to believe the truth

I want to find out if it's actually true and if there's evidence that the Mongols were kidnapped and enslaved (but Mongol was NOT occupied, although it's kinda hard to occupy a country where the people are nomadic).

Obviously the first step is the school library and googling, but I'm not quite sure that I'll actually find what I need.

*sigh* Why can't people just accept that people who believe that they are superior are always repeating the actions of those who held the same beliefs?