The answers are:
c. they segregated blacks and whites
d. they limited voting rights
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The correct answer is D) Abbasid rulers became wealthy by controlling trade between East Asia and Europe.
The statement that describes the Abbasid Empire between the eighth and thirteenth centuries is "Abbasid rulers became wealthy by controlling trade between East Asia and Europe."
Trade relationships were facilitated by the fact that the Abbasid Empire controlled the Bagdhad territories when it seemed to be any signs of rebellion. although they experience so much turmoil.
The Abbasid Caliphate was founded by Abbas Ibn Abdul and established the capital city of the Empire in Bagdhad, in the region of what today is Iraq.