"business entrepreneurs" was not a common social class of the kingdoms of sub-Saharan Africa c. eleventh century C.E. since much of the economy was hunting and gathering.
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They bought Republican ideas to southern politics.
The population map would tell us the preferred environment of the people. If a population map was laid upon a geographical map, it would show which features are more habitable or supportive for human life. Similarly, if it was laid upon a climate map, it would show which climates the people preferred whether for pleasure or occupation.