US dependence on coal began to seriously harm US nature, all the smoke causing many species of plants to become black in colour, leading to them being called "coal plants". This lead to a nuclear weapons disarmament to instead focus on a massive build up of nuclear power plants, however the President took it too far, appearing weak and causing other nuclear powers to attempt a first strike. In the wasteland that followed many of the former "coal plants" mutated into "nuclear plants" due to radiation. The US and most of the civilized world had collapsed by 1999. The last nukes left in the former US are worshiped as idols and are dearly beloved by the general population.
"We drove the white man into the sea, never to return again."
The final verse of the National Anthem of the Great Southern Empire, which was known to the British who attempted to colonise it as "Australia." In response to European colonisation, the Aboriginal peoples formed a united front for the first time, eventually driving the white man from their homeland and creating a centralised state. The war took advantage of the many class and racial divisions within Australian society as well as the rivalry between Britain and Germany, a growing colonial power in the South Pacific in search of allies.
"I don't believe in ghosts or fairies. His Majesty, however, is a bit more open-minded than me."