Why do the numbers on gas station signs always fluctuate? Who is behind this? Why is the price of oil in the United States cheaper than in China? What is the conspiracy behind US sanctions on Russian oil? Why is oil produced in the Middle East? Did the United States attack Iraq because of oil? The topic of oil has never been short of hot topics. This book aims to let readers understand the geopolitical struggles surrounding oil among international financial groups, oil oligarchs and major Western countries, and to reveal the seemingly simple but actually profound inner connection between oil and the US dollar. Analyzing the real reasons behind major historical events such as the oil crisis, the Non-Aligned Movement, the Falklands War, the Nuclear Non-Proliferation Treaty, and German reunification, it shows the thrilling struggle surrounding oil for more than a century.