and use those oil reserves as the diplomatic weapon against Europe and Asian challengers.
Please check the locations of American military bases in the mid-east and Caspian region.
Americans rely heavily on imported oil and hate to make necessary infrastructure changes to face the inevitable peak oil. They WANT TO CONTROL their own fate, rather than live at the mercy of mid-easterners.
Or use their own words: mid-east, Caspian region and the Nigeria delta are of "crucial national interests" to America.
PNAC's report and Cheney energy study group reports should be more valuable resources for you.
Americans will not touch their offshore resources until all cheap oil under their control has been depleted.