Regime change in Iraq has been substantial, at least 150,000 Iraqis (and possibly four times that number) have been killed in the years since the invasion, and an estimated three million people have been displaced from their homes, the security situation is far worse than under Saddam, and the economy is no better.
Meanwhile, as many had warned at the time, Iran, with its largest historical barrier to expansion gone, now enjoys a significant strategic advantage, one can only guess what the world would look like had the 2003 invasion never occurred. An aging Saddam might still rule, but he would pose little threat, except to his own people. He might hand over power to one of his vicious sons, or perhaps another steely strongman would take over.
Making Iraq a complex rendering of an entire ecosystem of squalor, hope, and delusion.
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