The economic wealth of Calicut, Mogadishu, and <span>Venice in the 13th century was primarily dependent on their fertile soil, but of course there were other factors as well. </span>
Answer:
The Yellow River's Contribution to the World
Gunpowder, the compass, paper making, and printing - all of these inventions not only promoted Chinese cultural development, but also spread to the rest of the world, making an important contribution to the development of humankind.
The correct answer is: [B]: "receiving Social Security" .
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<span><span> Downfall of Mali Empire:</span> </span>Weakened by attacks and internal rewbellion. The Mali lost it's hold on the Gold and Salt trade. The Songhai empire was then able to grow in power and take previously held Mali territories.
The downfall of Songhai Empire: The Moroccan armies invaded Songhai, which led the fall of Songhai empire.
The downfall of Ghana Empire: In the 11th century, when the Almoravids, a militant confederation of Muslims, began to attack the empire and even conquered it for a time. Though their grip on power did not last long, the chaos they brought to the region destabilized trade, hurting the empire's sources of income.
Communal violence between Jews and Arabs escalated into a crisis, and in 1947 the UN proposed splitting the land into a state for Jews (Israel) and a state for Arabs (Palestine). Regional Arab leaders saw the plan as European colonial theft and invaded to keep Palestine unified.
