a politically united federation的用法和样例：
- Exercise of authority in a political unit; rule.
- A system or policy by which a political unit is governed.
- The act or process of governing, especially the control and administration of public policy in a political unit.
- An officially elected or otherwise selected body of people vested with the responsibility and power to make laws for a political unit, such as a state or nation.
- She's always been a politically aware person.