Which Roman institutions represented monarchy in Polybius’s analysis of the Roman Republic?

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In his analysis of the Roman Republic, the Greek historian Polybius identified the consuls as the institution representing the monarchical element of the state.12

Polybius categorized the Roman constitution as a "mixed government," a system designed to prevent the degeneration of political power into tyranny, oligarchy, or anarchy by balancing three distinct elements. Within this framework:13

  • Monarchy: Represented by the consuls, who held the highest ordinary magistracy and possessed executive authority.41
  • Aristocracy: Represented by the Senate.12
  • Democracy: Represented by the popular assemblies, the plebeian tribunes, and the Plebeian Council.12

Polybius argued that the stability of the Roman Republic stemmed from this balance, as each of these three groups exercised specific powers but required the cooperation of the others to function effectively, thereby preventing any single entity from dominating the state.12