/ˈsɒvrɪn steɪt/ – Phrase
Definition: quốc gia có chủ quyền.
A more thorough explanation: A sovereign state is a political entity that possesses full legal and political independence, including the ability to govern itself without interference from external authorities. It has the power to make and enforce laws within its territory, enter into relations with other states, and participate in international organizations.
Example: The United States is a sovereign state with the authority to govern itself independently.