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Author Alawi D. Kayal. First Published in 2002. Oil is of strategic significance. The bulk of the earth's known oil reserves, more than 70 percent, is concentrated in the Persian Gulf area. And although alternative energy sources have been vigorously pursued, the United States continues, since 1970, to import from the Persian Gulf 24 percent of needed oil for her own consumption.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.