Why was china isolated from other cultures for a long time? a the wet climate kept people from other countries from visiting. b the huang he river acted as a natural barrier against invaders. c the region was large and had difficult terrain. d pan gu was a dictator who didn't allow trade with other countries.

Which of the following was a major outcome of european imperialism in africa after the industrial revolution? o a. the area around the suez canal experienced decades of military conflict o b. africans in the belgian congo suffered forced labor and oppression o c. the discovery of rich matural resources led to african economic prosperity. o d. europeans brought disease to central africa, killing thousands.