Reflections on China‘s Non-Traditional Security Studies over the Past 40 Years (1978-2017): Evolution, Effects and Prospects Status Signaling in International Relations and Russia’s Military Intervention in Syrian Civil War “Decline Denial” and “Fortress America”: Trump‘s Grand Strategy Controlling Autonomous Weapons in the Context of Global Security Governance A Tentative Analysis of National Security Competitive Strategy Resource Security and Global Governance: An Analysis of the European Union’s Security Strategy for Mineral Resources US Military Climate Change Risks Management and Its Behavioral Logic under the Trump Administration