Farming spread rapidly throughout Africa and all parts of Asia in the second half of the first millennium. It became more common for cultures to grow the same crops. Look at the map of Agricultural Di

Farming spread rapidly throughout Africa and all parts of Asia in the second half of the first millennium. It became more common for cultures to grow the same crops. Look at the map of Agricultural Diffusion

and identify where did most of these crops originate? In which directions do they flow? Compare this map to the Spread of Islam . What role do you think the growth of Islam as a religion and cultural identity, as well as a political empire, had to do with this? Where does Baghdad's location fit into the map of crop development? 

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