We left the main mission related to 9/11, find the guilty as well as rid the country of their supportive government, along with the initial promises, finally help them rebuild after decades of destructive conflict, in Afghanistan and stagnated that to only grow into a longer occupation. Filling the ranks of insurgents with the damage created out of Iraq and the words related towards others in the region, going down the totally wrong path then we should have as a country we like to think we are but showed the world what we really are.
We leave behind a destroyed country and people for no justifiable reason, some think the taking out and killing of Saddam made it worth the invasion and long occupation based on lies and very faulty or fixed intelligence to justify. An innocent country and people that were before never a threat to the U.S., now who knows, the new generations that survived have grown up with the death and destruction as well as the sectarian violence which didn't exist prior to, we destroyed that pandora's box. The hatreds are set for the coming decades and it only takes a few who seek retaliation and blowback especially as international criminal terrorist, giving back what they themselves lived in. Lets hope they all take a different road, one we should have instead of the destructive decade we did, for we alone have already spent billions on National Security which was destroyed by our actions and that will continued for the foreseeable future decades.
One of the Legacies we're leaving not only our children but those in that region as well as around this planet we all exist on!