African nations' raw materials and workforce served as fuel to imperialist countries. It helped them attain richness and development they have today. This situation did not help African nations but only made their country stagnant. The Africans spent their hundreds of years to servitude to make imperialists prosper.
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The Hans dynasty retains centralized burueacracy and unified political system of the Quin but adopts and grafts upon this the Confucian view that government should be run by educated, ethnical men.