From the outside looking in...it appears Canberra is the main threat to Australia.
Like Washington DC and in fact it is a copy. Australian Capital Territory and Canberra is the main place in the ACT. The Australian Federation is a copy of the American Federation and in particular the Senate. State Premiers are the counterpart of your state Governors.
I would say most issues in Australia are as a result of almost the whole population living in one of five big cities and also up and down the east coast.
