ocr: Australia is a parliamentary democracy based on the British model. There are six. state. governments; all but one (Queensland) are bicameral. The Northern Territory became seli-governing in 1978. Main Politicallssues Aboriginal rights In1992, in what became lown as the "Mabo Judgement," the High Court decided: in favor ofEddie Mabo of Murray Island in the Torres Strait, who had claimed title to land his family had occupied before white settlement. The judgment could have: a considerable impact on: mining and agricultural interests. Western Australia is fighting the judgment. Prime Minister Kea ...