why, beginning in the first half of the fifteenth century, did Europeans, led principally by the Portuguese, begin to mount a determined push for trade opportunities and political relations with what had previously been regarded as impossibly remote and inaccessible regions of Africa? What drove them to overcome their long-standing fears and superstitions to do so? Obscure though it may be to contemporary readers, little-known Djenné constitutes an important piece of this story. Early centers of urbanization like this one—city-states, in effect—became swept up in a process of empire formation
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