Which civilization was not an empire, but was divided into independent city-states? * Inca
Maya
Aztec

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

6 pounds is equivalent to 92 ounces.

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