Which if the following was a result of the war in Iraq?

The war in Iraq, which began in 2003, led to significant political and social upheaval in the region. It resulted in the toppling of Saddam Hussein's regime but also created a power vacuum that contributed to ongoing violence and instability, including the rise of extremist groups like ISIS. Additionally, the war had profound implications for U.S. foreign policy and military strategy, as well as long-term consequences for Iraq's governance and infrastructure. The conflict also sparked considerable debate over issues like the justification for the war and its humanitarian impact.