I'm writing an essay for my ap world class, the original prompt was "Develop an argument that evaluates how the process of decline and reconstitution of empires led to changes in urban development in Afro-Eurasia in the period circa 400–1450 C.E." i decided to try and work with the Abbasid's and Mongol's, and my main point is that through trade, they were able to facilitate changes in the development of citys, maybe help me come up with some examples? help would be much appreciated.
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