Final answer:
The Roman republic differed from a monarchy in terms of citizen participation and absence of a hereditary monarch.
Step-by-step explanation:
The Roman republic differed from a monarchy in several ways. First, citizens had a say in their government through voting. They elected representatives and participated in decision-making processes. Second, citizens were not ruled by a single, hereditary monarch. Instead, the republic had two consuls who were elected annually to serve as the highest-ranking officials.
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