/mænˈdəˌtɔri steɪt/ – Phrase
Definition: quốc gia ủy trị.
A more throughout explanation: A mandatory state refers to a territory that is under the administration or control of another state, known as the mandatory power, in accordance with the terms of a mandate established by the League of Nations or the United Nations. The mandatory power is responsible for overseeing the development and welfare of the territory and its inhabitants until it is deemed capable of self-governance or independence.
Example: The mandatory state law requires all drivers to wear seat belts while operating a motor vehicle.