Question

What belief held by the chinese shows their attitude of supremacy over other nations during the time of emperor qian long?

Answer 1

A distinct orders of living things: Chinese, barbarians, and beasts

Answer 2

The belief was that there was a distinct order of living things: Chinese, barbarians, and beasts. That's why they made all foreign diplomats bow down to the Emperor and why they completely isolated the country to show that it's self sufficient.