I think it was the populations and wealth of people.
Answer:
https://www.tulsahistory.org/
The five characteristics of civilization are:
1. Advanced cities: this is a large number of people living together and interacting with one another in term of trade and in other ways.
2. Specialized workers: people in the population are specialized in different specific fields that are important to the people at large.
3. Complex institution: there is organization in the community which is long lasting in nature.
4. Record keeping: Means of documenting important events and important information are in place.
5. Advanced technology: the people have invented means of solving emerging problems in the community.
The most important characteristic is the advanced cities. This is the foundation of civilization and without it no civilization can occur.
I'm going for Musicians. Hope I got it right, and I hope this helps :P
The Ming dynasty was located in China.