" In 2003, majority of Americans believed Iraqi-links to 9/11 conspiracy theory, which facilitated the Bush administration's agenda for the invasion of Iraq.

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https://en.wikipedia.org/wiki/Iraq_War_and_the_War_on_Terror

“Of course it’s about oil; we can’t really deny that,” said Gen. John Abizaid, former head of U.S. Central Command and Military Operations in Iraq, in 2007. Former Federal Reserve Chairman Alan Greenspan agreed, writing in his memoir, “I am saddened that it is politically inconvenient to acknowledge what everyone knows: the Iraq war is largely about oil.” Then-Sen. and now Defense Secretary Chuck Hagel said the same in 2007: “People say we’re not fighting for oil. Of course we are.”

https://edition.cnn.com/2013/03/19/opinion/iraq-war-oil-juha...