Final answer:
Aristotle believed that the most important principle for a successful democracy was virtue, which included moral and intellectual virtues such as moderation, justice, and wisdom.
Step-by-step explanation:
Aristotle believed that the most important political principle for a successful democracy was virtue. According to Aristotle, citizens in a democracy needed to possess moral and intellectual virtues, such as moderation, justice, and wisdom, in order to make just decisions and uphold the common good. He argued that virtuous citizens would contribute to the stability and prosperity of a democratic society.
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