Why is Rome's government considered to be a republic

It all began when the Romans overthrew their Etruscan conquerors in 509 B.C.E. ... Centered north of Rome, the Etruscans had ruled over the Romans for hundreds of years. Once free, the Romans established a republic, a government in which citizens elected representatives to rule on their behalf.

Explanation:

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )

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