Politics of Chile Politics of Chile Chile's government is a representative democratic republic, whereby the President of Chile is both head of state and head of government, and of a formal multi-party system that in practice behaves like a two-party one, due to binomialism. Executive power is exercised by the government. Legislative power is vested in both the government and the two chambers of the National Congress. The judiciary is independent of the executive and the legislature of Chile. The Constitution of Chile was approved in a national plebiscite in September 1980, under the military government of dictator Augusto Pinochet. It entered into
History of Chile during the Parliamentary Era (1891–1925) President remained the head of state but its powers and control of the government were reduced. The Parliamentary Republic lasted until the 1925 Constitution drafted by President Arturo Alessandri and his minister José Maza. The new Constitution created a presidential system, which lasted, with several modifications, until the 1973 coup d'état. In the late 19th and early 20th centuries, Chile temporarily resolved its border disputes with Argentina with the Boundary treaty of 1881 between Chile and Argentina, the Puna de Atacama Lawsuit of 1899 and the Cordillera of the Andes Boundary Case, 1902. The pseudo-parliamentary system was established in Chile