A. expanding the copra trade.
Answer:
It should be the persians.
Explanation:Technically it is persians since they're referred to that even today although iranians referred to themselves as aryans back then.
Here were the choices on that question:
a. poverty
b. lack of adequate rivers
c. mountains
<span>d. richness
The answer is D. richness. Based on A Companion to World History, the African Sahel can be a corridor of communication between Nile and Niger valleys but did not materialize. The reason was the richness of Sahel that it that it can provide for itself even without trade.
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<span>Sometimes, water evaporates and leaves minerals behind. These rocks are called evaporites. These kinds of rocks are often interbedded with other sedimentary rocks like mudstones and siltstones. They get chemically precipitated due to the process of evaporation of a particular aqueous solution. </span>
