Equivalent of class system in China was 士农工商:Official----Farmer----Craftsman----Businessman. The social status was not rigid, because China had strict hereditary system, only royal family had hereditary rights of imperial throne. All other social status were not solid, a businessman's son pass...
Hohhot (China)
Ulan Bator (Mongolia)
Ulan Ude (Russia)
Send some sheeps to Mongolia rather than military, American military has no future in Mongolia. In peace, Mongoalia don't need troop, in war, America can't give help...
Mongolia very large a country in size, population is about 3 million. Can't know why they are so poor! Every familiy feed only 500 sheep, sell 200 ( 700 USD per sheep ), keep 300 for reproduce and food. Those poor must be too lazy to feed sheep.
It's about which cow you can eat, very important, you know. What your first language to write African buffalo, American buffalo, Asian buffalow, wild buffalo, homebred buffalo; bull; cow; yak?
Asian cow and European cow: they are both called cow.
In other nations, when the society status become rigid, folks may make reform or passive revolution.
The society should give anybody a chance of verying the social status / class.