The world is changing so fast with variable aspects and people would abruptly face the whirlpool of confusion that international society has initiated to take over global power. These symptoms often come up to security environment in danger by mostly military competition which provokes wars or regional conflicts. The world is not safe at all unless international society finds the best solution toward global peace and security. Moreover, the geopolitical environment gets worse and worse as time goes by. Not only the Ukraine War and the Israel-Hamas War but also the upcoming symptoms of China's invasion toward Taiwan or North Korea's attack to South Korea have seriously impaired security environment in Northeast Asia. On the top of that, the U.S. Trade War with China has widely damaged the international society through severe economic obstacles so far. Therefore, each country should set up the priority of national strategy toward global peace and security. This is the only way and fundamental factor to enhance national competitiveness. Moreover, it must focus on how to dedicate its national ventures to global peace and security as analyzed in this book.