Confronting Profound Changes in the World Calls for Higher Levels of Inclusiveness and Sincerity New Requirements of National Security and Innovation of Military Theory Constructing a New Security Structure in Asia: Historical Evolution,Current Status, and Prospective Development Violence Tactics and Popular Support: A Probe into the Pattern of Counterinsurgencies New Trends and Impacts of Terrorism in Southeast Asia and China's Countermeasures On the Adjustment and Constraints of Trump's Security Strategy Illusory Incompatibility and Imaginary Security Dilemma—The Inter-subjective Construction of Hostile Identities during Power Shift