Is China the Periphery?

Mymi, i don't know if i should go so far as to call it my thesis. But one of the observations that came across my desk as i was looking at the stuff. Well, it has to do with geography. It's like there was o thee. There were four rivers, probably more, but let's take the four that our standard, you know, places where so cradles of civilization, o cod se,There was china, thare was. And then around the tributaries are the barbarians,. or who cares, by the way. That was kind of like the model of the world the people lived inside of. You know, the empire