I don't know because it's a hard question I do not know all that much
I would say moral codes, religion, government, and social classes
The mandate of Heaven was the idea that the gods gave the power to rule to ancient Chinese governments. If the government became corrupt because of overtaxing, Natural disasters or the common people revolted because of mistreatment, they believed that the government had lost the mandate of heaven and then the commoners established a new government to rule. This was a reoccurring cycle.
Answer:
By helping them in what they need
In the early 1900s, doctors and lawyers usually belong to : Middle class
Well, actually it's true even until now. In people's mind, doctor and lawyers all suppose to be rich. But actually there are a lot of them that also stayed in middle class level salary.
Hope this helps