Christian2 quoting aicongree.org: So have several Christian fundamentalist groups.Since the fall of the Ottoman Empire in the early 20th century, many Muslims have lamented the loss of a unified Muslim polity and longed for the reestablishment of a world empire. Some have organized movements with the imposition of a Muslim world order as their end goal. In recent years, there have been numerous such movements, some but not all adopting a strategy of armed struggle.
By the way, if you're going to debate the legitimacy of the 2003 Invasion of Iraq, looking at the WMD/Iraq topic in Wikipedia would be a good start.