C is the right answer by the way
The answer is D because i got this feeling its D
Its the 3rd one. they made terraces in the mountains to create more farmable land
This is a very complex question, but they both collapsed due to:
decentralization and government corruption
plagues/ epidemics
high taxes
and invasions
Some differences are that the Chinese empires saw a revival while Rome didn't.
So the courts can get a third persons opinion before making the decision