/dɪˈfɛnsɪv əˈlaɪəns/ – Phrase
Definition: liên minh phòng thủ.
A more thorough explanation: A defensive alliance is a formal agreement between two or more parties, such as countries or organizations, to support each other in the event of an attack or threat of aggression from an external party. The purpose of a defensive alliance is to enhance the security and defense capabilities of the parties involved by committing to mutual assistance and cooperation in times of need.
Example: The two countries entered into a defensive alliance to ensure mutual protection in case of an external threat.