In the book, America had already been weakened by bio terror plagues before waves of selfish violence took down the rest. But the real enemy was the kind of male human being who nurses fantasies of violent glory at the expense of his fellow citizens. ↗
I'd move to Los Angeles if New Zealand and Australia were swallowed up by a tidal wave, if there was a bubonic plague in England and if the continent of Africa disappeared from some Martian attack. ↗