And yet it is intricately connected to the rest of the world.. hence why SA was first to fall, hence why NK is now decommissioning their nukes, hence why SK was immersed in chaos before either of those to rid of it's matriarchal cult leaders in order for NK to be taken care of..
When all is said and done, sure- may it be that America LEADS the way into an unimaginably glorious future, but it couldn't be done without the rest of the world… that being said, yes, it is being LED by America in a sense.