Quiz - Human Geography of South America Venezuela is suffering from _________, due to the emigration of educated and skilled workers because of economic problems. The Inca used ________ to keep financial records. What is the cape at the southern tip of South America called? What issues are South American governments struggling with today? What percentage of the population in South America lives in urban areas? Where do most indigenous groups in South America live today? What products does South America contribute to agricultural global trade? Known as El Libertador, _________, was a Venezuelan leader who played a significant role in liberating Venezuela, Ecuador, Bolivia, Peru, and Colombia from Spanish rule. Despite Spain colonizing most of South America, ________ colonized much of what is present day Brazil. Who were the first inhabitants of South America?