The Islamic State as a result of US-invasion of Iraq in 2003 and its subsequent occupation as well as defects in the contemporary international order

In the Author's opinion, Iraq - under the American occupation or political control - constituted a perfect base or a bridgehead of influences for the United States in the region (with potential sortie base to carry out its own activities, as well as those of allied intelligence agencies, in order to keep under surveillance terrorist groups). Is it possible, that the United States renounced 'altruistically' or 'honourably' such an opportunity, and despite the reports and warnings was surprised with the occurrence of the Islamic State? The Author puts in her study the following research question: "Was conducting a military invasion possible (and whether it is still potentially possible) in such a way, which would have effectively implemented a stable and democratic government in Iraq after taking full political control over it?'