the needs of war. The economy was redirected toward manufacturing, and heavy industries ringed the capital cities. Postwar development built further on the foundations established during the war.Australia is an outstanding producer of primary products. The country is self-sufficient in almost all foodstuffs and is a major exporter of wheat, meat, dairy products, and wool. Australia usually produces more than 25 percent of the worlds yearly output of wool. The volume of manufacturing grew rapidly between the 1940s and 1970s, and mining became a leading sector in the economy during the 1960s. The value of exports from the mining and manufacturing sectors now exceeds that of the agricultural sector. Manufacturing is highly developed and concentrated mainly in the coastal regions of Victoria and New South Wales. Those two states are most popular. Australia is a federal parliamentary democracy, which has an independent self-governing state and a member of the Commonwealth of Nations. The constitution of Australia, which became effective in 1901, is based on British parliamentary traditions, and includes elements of the United States system. The head of state is the British sovereign, and the head of government is the Australian prime minister, who is responsible to the Australian Parliament. All powers not delegated to the federal government are reserved to the states. Australia is a founding member of the United Nations.Most Australians enjoy or aspire to middle-class suburban lifestyles in their homes. Australian fashion generally follows Western styles of dress, but is distinctive for the lightweight, colorful casual wear that reflects the absence of harsh winters. Food and drink preferences are influenced by global fashions. Great pleasure is taken in traditional backyard barbecues, bush picnics, and a wide range of organized sports, including soccer, Australian Rules football, cricket, tennis, baseball, basketball, volleyball, netba...