The power differential between the US and the rest of North and South America pretty much guarantees that nothing like WWI could happen. Europe had hundreds of

The power differential between the US and the rest of North and South America pretty much guarantees that nothing like WWI could happen. Europe had hundreds of years of plundering the rest of the world. WWI happened because Germany wanted a piece of the pie too, and the other, more established powers didn't want to share. None of that had anything to do with American Exceptionalism. And, yeah, America's not perfect. We got thrust into the role of being a global superpower after the second time Europe tried to blow itself up. The other option was the USSR (who did their own share of empire building).