This book examines military expenditures, arms imports and military deployment to analyze how and why the Persian Gulf is the most militarized region in the world. The authors explore Muslim teachings about peace, war and economics; how it affects military and economic development. They also delve into contributing factors of oil wealth disparities, high oil revenues, corruption and foreign interference, and then present analysis with an assessment of the effects of high military expenditures including wars, conflicts, instability and the economic toll.