Iraq didn't attack the US. Osama bin Laden did, remember?
Saddam was thumbing his nose at America.
Osama hit the nose and then was thumbing his nose at America.
This was bringing a increasing support to stand-up against America.
This affects your pride, commerce as well as eventual safety.
So what are you going to do?
If the child disobeys the parent, does the parent maintain control or let the child do as it pleases?
America likes to be in control. What country would not? Power brings great benefits to its people. It does not take a war to reap benefits.