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
USS Simon Bolivar (SSBN-641) vessel to the inbound channel for passage to the SSBN refit site, and the beginning of the next patrol cycle. During the off-crew period, critical skills were practiced and enhanced at the Fleet Ballistic Missile Training Center at the naval base where off-crews were located (Naval Base Charleston for Simon Bolivar). Specialized facilities were used for sonar, weapons and engineering training. Included was a control room simulator in which control room watchstanders (Officer of the Deck, Diving Officer, Chief of the Watch and planesmen) could practice realistic casualty responses that could not be simulated on board the submarine. One critical