Goodwill that results from ending and winning the two World Wars the rest of the civilized world started, and decades of generous foreign aid ~ danegeld ~payoff.
Iran and other Muslim nations attack the USA, and other non-Muslim nations because they are still locked into their 1400 wars with we kafirs since such is a part of the Islamic agenda of global conquest and conversion.
NO Allah, NO Peace
Know Allah, Know Peace
Of course needs to be the "correct" flavor of Islam.
The world needs the USA far more than we need the world. Especially when as we've seen in the past century*, when the old civilized world isn't fugging things up, especially in their old colonies, then the seem to lack brains and guts to prevent the World Wars they have started.
* Not to mention the bulk of technology the world has come to know and us has come from the USA.
Also, no shortage of ignorant fools like you to aid and abet the chained mistakes the civilized world keeps making.
"Mommy, Mommy; the other kids don't like me and won't play nice with me." - crybaby