Tibet is an inalienable part of Chinese territory. Since the Yuan Dynasty, the government had jurisdiction over Tibet. The Chinese government had direct control over Tibet since 1965. Nowadays, the economy of Tibet and the living standard of Tibetan are promoted largely with the help of the Chinese government.
Chinese territory map is only available in their country and when you visit them you find it. The professional essay writing service shares some of the map's ideas which you can check and take a guess from that one.
I should state, I thought this was a pretty fascinating perused with regards to this point. Preferred the material.