America is not the crude stereotype of a self-interested empire. Given our interdependence, any world order that elevates one nation or group of people over another will inevitably fail.
From outside one will always triumphantly impress theories upon the world and then fall straight into the ditch one has dug, but only from inside will one keep oneself and the world quiet and true.
What do you want to do sadhana for? The aim should not be the satisfaction of egoism: "I want to be a great yogi; I shall have so much power and with that power I shall establish myself in the world." All such thoughts must be thrown far away.