Using that lens then you could view the Iran war is simply a failed ( so far ) attempt to grab Iranian oil revenues, perhaps emboldened by the relatively quick

Using that lens then you could view the Iran war is simply a failed ( so far ) attempt to grab Iranian oil revenues, perhaps emboldened by the relatively quick success of the Venezuela adventure. The truth is probably much more multi-headed - though hard to see how the US would have gone to war without some assessment of their own energy situation.