What unite the islamic empire as it spread under the abbasid dynasty? (5 points)

The Arabic language  helped in the spread of the empire

Explanation:

Arabic language was the uniting factor that helped the Islamic Empire spread during the Abbasid dynasty. It was easier to communicate in one language and a singular religion, this helped in the spread of the empire.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.