<span>D.) millions of Indians were killed due to illnesses and diseases of the Spanish
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The correct answer is C.
In the Roman government, the two consuls (heads of government) were elected by citizens. In today's American society, the President, Vice-President, and all Congress people are elected by the president. This represents how the US used the idea of people voting for who is in charge from the Ancient Romans.
Maybe this can help, this is just something I found i believe the size varies because of the population in that district