What was life and trade like in the Sahara Desert prior to the early 1200s?

if you break down the data from the global footprint network, china exerts far more pressure on its ecosystems per capita than america in terms of crops, grazing, foresting, and fishing. but where america blows everybody out of the water is carbon emissions per capita

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explanation:

what the heck this is weird that they would do that

answer:

Go to church with your friend