The Iraq War (2003-11)
- A
Was wildly popular throughout its duration and ended within weeks of the initial invasion
- B
Was a peaceful transition negotiated with Saddam Hussein and overseen by U.N. monitors
- C
Was a Soviet-led operation joined by the U.S. only after Russian forces had taken Baghdad
- Dcheck_circle
Was launched on the basis of WMDs (which weren't found); Saddam Hussein was overthrown but a long insurgency followed
Explanation
Highly controversial; weakened American credibility internationally.