Presidential Republic (1925- 1973), Constitution of Chile. History of Chile, History of Chile during the Parliamentary Era (1891- 1925), Carlos Ibáñez del Campo, Luis Barros Borgoño, Emiliano Figueroa, Wall Street Crash of 1929, Socialist Republic of Chile, Radical Governments of Chile, Eduardo Frei Montalva, Chile under Allende, Captaincy General of Chile, Conquest of Chile, Arauco War, Chilean War of Independence, Chilean nationalization of copper.