Economy of South America centuries. This can be explained by South America´s high concentration on primary commodities as well as the state of the educational system and institutional structure, some of which are still related to its colonial past, others to recent political developments. It was only from the 1990s when countries in South America switched over to the system of Free-Market economy. This eventually pulled countries in South America out of the debt crisis. Now, major economic activities include agriculture, industry, forestry, and mining. In 2016, four countries, which include Brazil, Ecuador, Argentina and República Bolivariana de Venezuela experienced decline in output. Other
History of South America their own actions within the US Cold War doctrine of "National Security" against internal subversion. Throughout the 1980s and 1990s, Peru suffered from an internal conflict. South America, like many other continents, became a battlefield for the superpowers during the Cold War in the late 20th century. In the postwar period, the expansion of communism became the greatest political issue for both the United States and governments in the region. The start of the Cold War forced governments to choose between the United States and the Soviet Union. By the 1970s, leftists had acquired a significant political influence which prompted