The second Iraq war in 2003 cost the US some two trillion dollars. According to estimates, more than one million deaths have occurred as a result of that war. Millions of tons of US bombs have fallen in Iraq almost steadily since 1991.
What have we accomplished? Where are we now, 24 years later?
We are back where we started, at war in Iraq!
via The Ron Paul Institute for Peace and Prosperity : What Have We Accomplished in Iraq?.