When was the political party, which along with the Socialist Workers Movement are the chief contributors to the United Left in Argentina, founded
United Left (Argentina) The United Left (Spanish: Izquierda Unida ) was a political party in Argentina. It was an alliance of several groups, chiefly the Communist Party of Argentina and the Socialist Workers' Movement.
Republican Socialist Unity Party The Republican Socialist Unity Party (Spanish: "Partido de la Unión Republicana Socialista", PURS) was a political party founded on 10 November, 1946 in Bolivia as the fusion of the Republican Socialist Party, the Genuine Republican Party, the United Socialist Party, and the Independent Socialist Party.