<Tr> <Th> Demonym </Th> <Td> South American </Td> </Tr> <Tr> <Th> Largest urban agglomerations </Th> <Td> 1 . São Paulo 2 . Buenos Aires 3 . Santiago 4 . Curitiba 5 . Porto Alegre 6 . Córdoba 7 . Montevideo </Td> </Tr> <P> The Southern Cone (Spanish: Cono Sur, Portuguese: Cone Sul) is a geographic and cultural region composed of the southernmost areas of South America, south of and around the Tropic of Capricorn . Traditionally, it covers Argentina, Chile and Uruguay, bounded on the west by the Pacific Ocean and on the south by the junction between the Pacific and Atlantic oceans, which is the continental area closest to Antarctica (separated by 960 km). In terms of social, economic and political geography, the Southern Cone comprises Argentina, Chile, Uruguay and sometimes part of Southern and Southeastern (São Paulo) Brazil . In its broadest definition, the Southern Cone also includes southern Bolivia and Paraguay (because of the common history and geography). </P> <P> High life expectancy, the highest Human Development Index of Latin America, high standard of living, significant participation in the global markets and the emerging economy of its members make the Southern Cone the most prosperous macro-region in Latin America . </P>

What is the southern cone of south america
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