World of pain' is a bit of an overstatement. WW2 ended the Pound Sterling's status as the global reserve currency, and I would hardly call the currency situation a 'world of pain'.
a) the US were a similar, freedom and liberty orientated power so the take over was smooth. b) WW2 had just ended, peace naturally follows.
Neither of those two factors apply in the current day.
a) the US were a similar, freedom and liberty orientated power so the take over was smooth. b) WW2 had just ended, peace naturally follows.
Neither of those two factors apply in the current day.
True.
Replacing one Anglophone superpower with another that was almost identical wasn't much of a shift.