"Of the three main types of government, monarchy is in my opinion by far the most preferable. But a moderate and balanced form of government combining all three [monarchy, aristocracy, and democracy] is even better than kingship. … But when there is a tension between the common people and the aristocracy, with each man and group fearing the other, then neither can dominate, and an accommodation must be reached between the people and the powerful."

—Cicero


Which of the following is Cicero describing in this quotation?