The thing that I would say is that U.S. power is not eternal. I am not saying that it won't come to an end. Because it will.
Robert KaganIn my view, America has never had the opportunity to enter paradise. Europe enjoys the paradise it enjoys, in part because the United States provides the overall security that allows Europe to live in a system where military power is not a major issue.
Robert KaganI believe it is still true that conflicts among major powers usually stem from geopolitical rivalries but rarely from economic competition.
Robert Kagan