Understanding Iraq’s Persistent Domestic Instability: A Revisit to the 2003 Iraq War and the Effect of the US Foreign Policy.

After the terrorist attacks of 9/11 in heart United States (US), US policymakers implemented a new doctrine known as Bush Doctrine and declared war on any country international system which has connection with terrorism or shelters terrorists. In line this, Iraq became one “the target countries” axis doctrine. They took further step invaded their allies 2003 by claiming that they would liberate Iraqi people from authoritarian regime bring democracy to Iraq. Toppling Saddam Hussein, political country. post-Saddam regime, Iraq’s ruling elites were mainly chosen Shiites. On other hand, Sunnis stayed at periphery emerging system. The manoeuvres triggered ethnic sectarian (ethno-sectarian) segregation well tense environment To put it clearly, practices foreign policy aftermath war/invasion not only inflamed conflicts/divide between major Islamic sects (the Sunni Shiite Muslims) but also widened rift”, Kurds Arabs ethno-sectarian among highly affected domestic stability Depending scientific data field, this research revealed 2013 US-led military invasion/Iraq War towards had an impact persistent instability