Empires, essentially, create order. In their absence, you don't end up with lots of happy, little nation-states full of people sitting around campfires singing John Lennon's "Imagine." What you end up with is civil war, anarchy.
Niall FergusonMy arguments for liberal empire or whatever you want to call it - hegemony, primacy, you name it - are really activated by a sense that the alternatives involve more violence, more repression, more hardship.
Niall FergusonToday, the average Korean works a thousand hours more a year than the average German. A thousand. ... That is the end of the Great Divergence.
Niall Ferguson