/kəˈlɛktɪv sɪˈkjʊrəti/ – Phrase
Definition: 1. an ninh tập thể;
2. sự đảm bảo tập thể, sự bảo lãnh tập thể.
A more thorough explanation: Collective security is a principle in international law and diplomacy that refers to a system in which all member states of an organization agree to take collective action to defend against external aggression or threats to peace and security. This concept is often associated with organizations such as the United Nations, where member states commit to mutual defense and cooperation to maintain peace and security.
Example: The United Nations Charter establishes the principle of collective security, whereby member states agree to act together to maintain international peace and security.