In which of the following ways has geography affected the history of the Andes and the Pampas? A. Societies have always been isolated from one another as the Andes are difficult to cross. B. Advanced civilizations were not able to develop because of the lack of arable land. C. The geography of the region allowed the people to be easily conquered by other nations and did not foster an independent spirit. D. The lack of mineral deposits led to poverty throughout the region.