passed, granting the right to vote to men and women. However, the Act also restricted votes for 'natives' unless they were already enrolled. These restrictions were unevenly applied and were relaxed after World War II, with full rights restored by the Commonwealth Electoral Act 1962. In 1856, an innovative secret ballot was introduced in Victoria, Tasmania and South Australia, in which the government supplied voting paper containing the names of candidates and voters could select in private. This system was adopted around the world, becoming known as the "Australian Ballot". The use of proportional representation via Single Transferable Vote (STV) and majoritarian Instant Runoff Voting (IRV) in many state/territory upper and lower houses as well as the federal Senate and House of Representatives respectively. These democratic features are upheld by rankings in Freedom House, Democracy Index and Polity IV as well as processes, proceedings and conduct being regulated by federal and state Electoral Commissions. In South Australia, Premier Don Dunstan progressively introduced the Age of Majority (Reduction) Bill in October 1970, the voting age in South Australia was lowered to 18 years old in 1973. Women's rights As mentioned above Women's suffrage was granted in 1902 and property rights in 1897. The first woman elected to any Australian Parliament was Edith Cowan, to the West Australian Legislative Assembly in 1921. Dame Enid Lyons, in the Australian House of Representatives and Senator Dorothy Tangney became the first women in the Federal Parliament in 1943. In 1971, Senator Neville Bonner became the first Aboriginal Australian to sit in the federal Parliament. Rosemary Follett was elected Chief Minister of the Australian Capital Territory in 1989, becoming the first woman elected to lead a state or territory. In 2010, Julia Gillard became the first female Prime Minister of Australia. By 2010, the people of Australia's oldest city, Sydney, had female leaders occupying every major political office above them, with Clover Moore as Lord Mayor, Kristina Keneally as Premier of New South Wales, Marie Bashir as Governor of New South Wales, Julia Gillard as Prime Minister, Quentin Bryce as Governor General of Australia and Elizabeth II as Queen of Australia. Australia has laws banning gender, sex, sexual orientation, marital status, breastfeeding and pregnancy discrimination, providing for equal access to services (such as parental leave, education and child care), advancing reproductive rights (through universal healthcare and laws surrounding reproductive rights), outlawing of sexual harassment, marital rape,