Answer: A. the rise of Macedonia as the principal threat to the Greek city-states.
Explanation:
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In a system of federations, all the power of government is divided between the states and the union, which gives greater state autonomy.All power is shared and divided between the central and independent local governments.
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<span>Maximilien Robespierre was the leader of the committee of public safety who enforced the reign of terror to protect France from the many nations who France was at war with. He lead the committee from 1793 to 1794.</span>
