Only the federal government can sign treaties.
Hope that helps.
Barbarous,destructive,vandal,offensive, and disparaging
Answer:
The Russian and US civil war are different as the US Civil War was fought to abolish slavery while the Russian Civil War was a war fought to determine a new political figure
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.