Russia, Saudi Arabia and Iraq depend on the oil sails. Russia, being the largest country has a lot of access areas to oil, Iraq and Saudi Arabia both are located on top of oil so they are basically sitting on the gold mine.
The United States' dependence on oil has long influenced its foreign policy. This timeline traces the story of U.S. oil development, and the resulting geopolitical competition and environmental concerns, in more than forty milestones. The three major periods include the rise of oil as a commodity, beginning in 1850; the post-WWII age of geopolitical competition; and the current era of deregulation and diversification.
