Bicameralism Canadian provinces had all their upper houses abolished. In Argentina, eight provinces have bicameral legislatures, with a Senate and a Chamber of Deputies: Buenos Aires, Catamarca, Corrientes, Entre Ríos, Mendoza, Salta, San Luis (since 1987) and Santa Fe. Tucumán and Córdoba changed to unicameral systems in 1990 and 2001 respectively. In Australian states, the lower house was traditionally elected based on the one-vote-one-value principle, whereas the upper house was partially appointed and elected, with a bias towards country voters and landowners. In Queensland, the appointed upper house was abolished in 1922, while in New South Wales there were similar attempts
Provinces of Argentina Congressional decision—and the President appoints a representative or intervenor, who will serve for a short time until the emergency is solved. Since 1983 four provinces were intervened, namely Catamarca, Corrientes (twice), Santiago del Estero (twice) and Tucumán. During the 20th century, some provinces have had governments traditionally controlled by a single family (i.e. the Saadi family in Catamarca, or the Sapag family in Neuquén); in one case, it is still the situation as of 2009: the Province of San Luis was ruled almost without a break by the Rodríguez Saá family since December 1983. Article 61 of the Constitution of