<span>In all the research I was able to cover on this topic the only answer to emerge was Oracle bones. These were normally bones taken from oxen or turtles, and were used for a particular type of divination. Namely, the prediction of future events based upon the answers they could divine from the Gods based upon the actions of the bones.</span>
Hey there!
"Which word or phrase describes the native people of Mongolia in the 12th century?"
Well... we could do process of elimination
- It can't be "hunter-gatherers" because they are the members of the nomadic people that who live "chiefly" but by hunting or fishing for certain foods (like wild foods
- It can't be farms because it just doesn't have to do with this portion
- It CAN BE nomadic herdsmen they are basically people who were part of the tribe a particular group that constantly moved from each place to place with/without a indefinite house
- It can't be city-dwellers because they were people who lived in the cities
So, therefore your answer would be: 
Good luck on your assignment and enjoy your day!
~
Due to public pressure and timely diplomatic impositions, he was forced to relinquish the Congo.