1) invasions by nomadic peoples from Central Asia" is the one unfying factor that contributed to the fall of the Han dynasty, the fall of the Roman Empire, and the
fall of the Abbasid Empire.
Explanation:
The fall of the empire and therefore the dynasty were similar as a result of each toughened social unrest throughout their collapse. The autumn of Rome and Han dynasty China were additionally similar as a result of they each round-faced roving invasions that greatly contributed to their decline.
Answer:
Free navigation will help with more frequent trade
Explanation:
Answer: I would request for for supplies and providments
Explanation: Such as, food ,water and buildong roads
1. Energy shortage, high inflation, and high unemployment.
2. Worldwide oil shortage
Sorry but I’m not sure what 3 is.