Part 1 Background: the passing of Pax Americana, Jan Knippers Black; diplomacy of the United States and Great Britain in the history of Argentine Borders, Camilo Rodriguez Berrutti. Part 2 Great power relations: British relations with the Southern Cone States, Peter Calvert; Argentina and the Soviet Union - international relations in three stages, Ruben de Hoyos; Chile and the great powers, Joaquin Fermandois. Part 3 Issues: international relations in Antarctica - Argentina, Chile and the great powers, Peter J.Beck; the external debt, Ricardo Alagia; great power military relations, Michael A.Morris. Part 4 Comparisons and conclusions: Brazil and the great powers - gradual reorientation, Cynthia Watson; South America, the great powers and the global system, Fred Parkinson.