Of course, we all know that Africa's climate is generally pretty hot. This caused the civilizations to depend heavily on few sources of water scattered around Africa, like the Nile River. This then made them build their civilizations around these sources of water, to end up relying on these, for food, water, and just life.
Answer is: shaking hands
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The right answer for the question that is being asked and shown above is that: "spread of Christianity throughout the Middle East." The conquests of Alexander the Great (334-323 B.C.) resulted in the spread of Christianity throughout the Middle East<span>
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