Answer: one good way they could avoided it's downfall was a better ruler
What are the six cities the question asks about
1. is a because when unemployed the market goes down
Answer:
Nomadic people (or nomads) are people who move from one place to another, instead of living in one place. The best known examples in Europe are gypsies, Roma, Sinti, and Irish travelers. Many other ethnic groups and communities are traditionally nomadic; such as Berbers, Kazakhs, and Bedouin.
Answer:
Religious and Political Conquest
Explanation:
As with most any civilization, Islamic civilization was significantly spread through military power. Strong armies, as well as a strong Muslim belief in spreading the faith, led to the conquering of many surrounding areas and lands.