GW Bush attacks Saddam because he invaded Kuwait - don’t be silly
And then stopped instead of finishing the job largely because Colin Powell had a hissy fit.
The result is a “no fly zone” which, for the 1st time, requires the US to station troops in Saudi Arabia for an extended period of time. Bin Laden uses those troops as justification to carry out the 09-11 attacks. Everything else flow from those 09-11 attacks.
See how the ME turned into a tar baby we been engaging in a full body hug since 1991 now?