Food is running out, and the barbarians are at the gates.
Toga! Toga! Toga!
(Sorry. I'm in a bit of 'a mood' this afternoon.) A doo run-run-run, a doo run-run
(Not that Hitler wasn't historical. But never mind.)
Shall we call it an AT?
"Someone mentioned the Romans. You've been AT'd. This thread is over."
I think this captures it in a nutshell. The European experience extended over the Atlantic to America a long time ago, and currently (perhaps temporarily) the new Rome is Washington.
I would ask why you exclude South America from your new Western Empire, though, because it is also an extension of Europe in practically all dimensions--culture, religion, economic system, language...