Earlier quoted context omitted.
It did - while the inner parts of the empire were quite peaceful, there were still conflicts along the outer borders. Since there haven't been any wars on US soil for ages, calling it Pax Americana seems alright to me.
> there haven't been any wars on US soil for ages I think, to be meaningful, Pax Americana must refer to an "empire" larger than the territory of the United States. There hasn't been a war in Western Europe since 1945; the longest lasting war in South America was the Falklands War at 74 days.
You don't consider Columbia's conflict with the FARC a war?