Law of supply states that other factors remaining constant, price and quantity supplied of a good are directly related to each other. In other words, when the price paid by buyers for a good rises, then suppliers increase the supply of that good in the market.
<h2>The following are the reasons why the location of the Sahel encourage the development of trade routes:
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The area between the southern edge of the Sahara desert and the northern edge of the Sudanian Savanna is referred to as the Sahel. This orientation of the region makes it have a moderate climate, which favors the development of a trade route.
The location of the Sahel region is almost central to the continent of Africa. The traders entering into the continent from Asia through Egypt can easily go to countries both in the south and the north because of the development of trade routes in the Sahel region.
