Explanation:
A and C.
like 90% confident on this one.
I think "D. <span>Confucianism was the basis of political, economic, and social relationships" </span>
What happened after the collapse of the Ming Dynasty were:
1) there were natural disasters, war and rebellions.
2) earthquakes.
3) war against the Japanese.
4) unusually dry and cold weather.
5) plague
6) misrule
7) money crisis
8) rebellion from Li Zicheng's troops.
Answer:
a)It had an excellent location where multiple trade routes crossed
Explanation: