Book excerpt: Geopolitics is a concept that shapes shifts following the socio-political and economic changes made within or in neighboring states. Usually, the popularity in geopolitics is motivated by victory in war, which binds the nation, revives the national culture, and promotes the spiritual and territorial expansion into neighboring states. However, the defeat in war can be motivating as well, as the defeat catalyzes the creation and dissemination of geo-political theories. In the modern era, further study on the Russia-Ukraine war in relation to geopolitics must be considered. The Russia-Ukraine War and Its Consequences on the Geopolitics of the World analyzes the main geopolitical theories and discusses possible geopolitical, economic, military, security, and information consequences of the Russia-Ukraine war. The book also reviews the attitude of the main geopolitical players in the world toward the war and their foreign policy and national security priorities. Covering key topics such as democracy, international security, and geopolitical interests, this premier reference source is ideal for government officials, policymakers, industry professionals, researchers, academicians, practitioners, instructors, and students.