Australian politics, two party system, State politics in Victoria, conservative party, Liberal Party, Nationalist Party, United Australia Party, Australian Labour Party, union movement, Democratic Labour Party, 1950's, 1960's, 1970's, 1980's, Nationalist Party, Liberals, Nationalists, Australian Democrats, Don Chips, Vietnam War, abortion, child care, Communist Party of Australia, Rainbow Alliance, CROW-BOX3-3-10-DOC5