The book comparatively analyzes past, present and possible future war and crisis situations. In doing so, the authors pay special attention to the nature of global conflicts and international actors, which international organizations and diplomacy of different countries are working to overcome. The book also examines the complexities of relations between governments of small and large states, NATO, the UN, intergovernmental and regional organizations, CSOs and transnational corporations, which despite their interdependence are still far from sustainable development. The authors discuss various issues of diplomacy, international relations theory, Eurasian politics, the European Union, international organizations, threats and challenges, global civil society, religion and culture as they relate to peoples in a complex world.