Answer:
Its power came, above all, from trade. empire's total area included nearly all the land between the Sahara Desert and the coastal forests. The 1599 battle of Djenné marked the effective end of the great Mali Empire and set the stage for a plethora of smaller West African states to emerge.
<span><span>The Cultural Revolution, formally the Great Proletarian Cultural Revolution, was a social-political movement that took place in the People's Republic of China from 1966 until 1976. Set into motion by Mao Zedong, then Chairman of the Communist Party of China, its stated goal was to preserve 'true' Communist ideology in the country by purging remnants of capitalist and traditional elements from Chinese society, and to re-impose Maoist thought as the dominant ideology within the Party. The Revolution marked the return of Mao Zedong to a position of power after the Great Leap Forward. The movement paralyzed China politically and significantly affected the country economically and socially.</span>
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(a) is the answer in studying this actually!
B and E. Their culture was changed sometimes involuntarily and They suffered a population decrease.
The answer is "B", varied ecological regions.
Oklahoma contains 10 distinct ecological regions. That is more ecological regions per square mile than in any other state by a wide margin.
