All 4 contributed, but B and D are the most direct causes.
In West Africa<span>, the three most </span>important<span> empires were </span>Ghana<span>, </span>Mali, and Songhai<span>, all of which profited tremendously from the trans-Saharan gold trade. ... Their territorial holdings were eventually larger than either </span>Mali<span> or </span>Ghana<span>, until civil war irreparably weakened the empire.</span>
Answer:Democracy was having an important role in history, because the Greeks had an important role (political), which led them to developed democracy. Also, Romans had an important role by adding a representative government. As you know people lived under the rule of kings and other rulers who held the power.Mar 23, 2015
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