<span>All the choices seem possible good answers, but D is the correct one:
a. Drakensberg Moutains are the extreme south-east part of the "Great Escarpment", they may result an obstacle only on the far coastal zone (they do lack signs of civilization); b. The Great Rift Valley runs in the mid-east zone, but fossils, even 3 million years old, were discovered here, a proof of civilization; c. The Nile River was actually a resourceful water bank for the flourishment of the Egyptian Empire, it wasn't an obstacle for West African expansion per se; D. The Sahara Desert is the main and greatest geographical feature (among these choices) stopping people from West civilized expansion, in fact, only nomads have lived and still live there.</span>
Because some people think Timbuktu is the most remote place on earth.Timbuktu is located in the presents day Republic of Mali at the edge of the Sahara dessert.
I think the answer is Industrial Revolution.
<span>During the industrial revolution, Great Britain
and other super powers have tried colonizing Asia and Africa to help supply the
demand of raw materials. Mass production and machinery become rampant during
this revolution.</span>
Answer:
China's economy regained momentum in the early 1990s. During a Chinese New Year visit to southern China in early 1992, China's paramount leader at the time Deng Xiaoping made a series of political pronouncements designed to give new impetus to and reinvigorate the process of economic reform.