A friendly, laid back people with a great sense of humor and interesting language, and everyone is descended from deported convicts.
90% of Australians live in houses at the beach, the other 10% in the Outback, a dangerous swamp.
Australians never have go to the zoo because there are wild animals everywhere. Aboriginal elders are consulted for their wisdom.
Ethnic Australian clothing consists of board shorts and a tank top printed by a southeast Asian beer company.
Because of all the Asian immigration, I see Americans fighting part of WWIII thereabouts.
edit: so if you want to allowed to walk around and shoot at things whenever you feel like, you can either come to The States, or write a new constitution after the war.