Greece and Rome differed from the earlier civilizations of the ancient world because they had a voice in their government . so the answer would be C.
Greece and Rome differed from earlier civilizations because they allowed citizens to participate in government, which was a significant change from the monarchies of prior times. This direct involvement was especially evident in systems like Athenian democracy and the Roman Republic. Therefore, the correct answer is C: Greek and Roman citizens had a voice in their government.
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