Barbarian groups were able to weaken the Byzantine Empire<span> because the empire itself had several unprotected areas for warring </span>groups<span> to invade.
Hope this helps!
-Sammy</span>
Because they were different from the other city-states, and they had a different government system.
Kept poor people from serving the state. Imitated the laws of its neighbors. Treated all its people fairly regardless of class.
Answer:
air pollution
That's what i think i dont know if its right.
Is this a question? If yes, what exactly do you mean?:)