/kənˌfɛdəˈreɪʃən/ – noun
Definition: 1. liên đoàn, liên minh;
2. liên minh các bang Bắc Mỹ;
3. sự câu kết, sự thông đồng.
A more thorough explanation: A confederation is a union or association of sovereign states or nations, typically created for a specific purpose or to achieve a common goal, while allowing each member state to retain its independence and autonomy.
Example: The confederation of states agreed to establish a common currency for easier trade among themselves.