The Great Ming or The Ming dynasty is considered as one of the most powerful dynasties. Their ruling was from 1368 to the 1644 year which is 300 years of ruling. It was the last imperial dynasty located in China.
The first capital was Beijing, and after it, it was Nanjing in 1403. There was Imperial and Forbidden City, the residence of the emperor and many people were employed back then in the new city.
The main language was Mandarin and the other languages were Mongolian, Tibetan, Turki, Jurchen and more. The most common religions were Buddhism, Chinese folk religion, Islam and Roman Catholicism.
I believe it is number 1 as it states that adult children moving back home can avoid conflict in many ways. The others are saying specific ways to avoid conflict. The main idea should cover it all.