I would say the USA is in the lead of the main global powers right now which are the EU, China, and the USA.
The USA the Virgina Centric flavored empire, whose 4 of first 5 presidents where born in Virgina. Those being George Washington, Thomas Jefferson, James Madison, and James Monroe.
The Virgina midwifed Empire churns out dollars through the Federal Reserve Bank which sustain the system and the stock market.
As the working class which is increasingly Hispanic limps along , in it's Costco* reality working in the service economy for the corporate aristocracy.
*Costco is a warehouse type store, that is a pleasant and cost effective way to shop in the U.S. but it is without any frills.