To add to that: Wars of aggression against two neighboring countries (Vietnam and India) in the past 50 years, active territorial disputes with basically every

To add to that: Wars of aggression against two neighboring countries (Vietnam and India) in the past 50 years, active territorial disputes with basically every other significant country nearby. The creation of client states like which are then used to undermine stability (North Korea), or to undermine international organizations (Cambodia and ASEAN).