Food shortages, loss of income,
Answer:
205
Genghis Khan Unites the Mongols
By 1205 he had vanquished all rivals, including his former best friend Jamuka. The following year, he called a meeting of representatives from every part of the territory and established a nation similar in size to modern Mongolia.
Explanation:
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The way that camels help increase trade across geographic barriers of northern Africa is : Camels helped with transportation.
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then, we still have not developed machine based transportation
vehicles, so we rely on ships and carts. Since the horses are unable to
cross pass the desert, most of the animals that is used on northern
Africa trade were camels.