List of Articles realism Open Access Article Abstract Page Full-Text 1 - Cooperation & Conflict in Transatlantic Defence and Security Structure Rouya Khezri Kazem Sultanahmadi Open Access Article Abstract Page Full-Text 2 - The Continuation of the Transatlantic Relations on the NATO Framework: A Theoretical Perspective Roya Khezri Kazem Soltanahmadi Open Access Article Abstract Page Full-Text 3 - The Strategies for Realizing the Strategy of Unilateralism in the US Foreign Policy in the Trump Era Mohammadreza Asl Javadian Seyed Ali Tabatabaei Panah Open Access Article Abstract Page Full-Text 4 - The Role of Space in Cooperation and Competition Between Great Powers Maryam Dorri Vernosfaderani Ardeshir Sanaie Alireza Soltani Kabak Khabiri