One characteristic was how society was controlled by a ruling elite of powerful clans.
The main way in which inventions such as the telescope and microscope changed the way people saw world is that the former invention allowed them to see into space, which gave a much better representation of Earth's place in the Universe--while the latter invention allowed people to see microorganisms and things like cells, which allowed them to better understand life on earth.
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!
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