Maybe some folks should educate themselves about, the US invasion of Iraq and Iran's success in becoming Iraq's biggest ally because the in the invasion.
The Outcome of Invasion: US and Iranian Strategic Competition in Iraq
The Outcome of Invasion US and Iranian Strategic Competition in Iraq Center for Strategic and International Studies
The Outcome of Invasion: US and Iranian Strategic Competition in Iraq
The Outcome of Invasion US and Iranian Strategic Competition in Iraq Center for Strategic and International Studies