Someone stole my bicycle and I said I was going to learn to fight so that I could catch him and beat him up. But I never did catch him. But I ended up the champ of the whole world.
If we all could be a true friend to someone, praying and encouraging one person somehow, that's a first step in being part of making the world a better place.
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.