Introduction : why did the United States invade Iraq? / Jane K. Cramer and A. Trevor Thrall -- Explaining the war in Iraq / Robert Jervis -- Ideas, American grand strategy, and the war in Iraq / Colin Dueck -- Ideas and entrepreneurs : a constructivist explanation of the Iraq War / Andrew Flibbert -- Explaining the Iraq War : the Israel lobby theory / Jerome Slater -- Neoconservatism and American hegemony / Michael Lind -- Blood for oil, in Iraq and elsewhere / Michael Klare -- Oil and the decision to invade Iraq / John S. Duffield -- Tony Blair nurtures the special relationship / Jane M.O. Sharp -- In pursuit of primacy : why the United States invaded Iraq / Jane K. Cramer and Edward C. Duggan.