The correct statement is:
The Thirty was an oligarchy, the ecclesia was a democracy, and the Mycenaean Palace was a monarchy.
This is accurate based on the provided characteristics of each government type:
- The Thirty refers to tyrannical rulers who made new laws and used force, which aligns with the definition of oligarchy.
- The ecclesia involves an assembly that allows for broad participation and discussion by its members, indicating a democratic system.
- The Mycenaean Palace is identified with a wanax (king) and a council of elders (Gerousia), suggesting a monarchical government structure.