What is one difference between the city-states of Athens and Sparta? A Sparta had an army, but Athens did not have an army.

B Men in Athens could directly participate in government.

C Athens was a small city-state, and Sparta was a large city-state.

D Boys in Athens stayed in the army most of their lives.

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Explanation:

The main difference between Athens and Sparta is that Athens was a form of democracy, whereas Sparta was a form of oligarchy. Athens and Sparta are two prominent Greek rival city-states. Though these are not very far away from each other, there are many differences between these two states. Athens was the centre for arts, learning and philosophy while Sparta was a warrior state.    

the process of industrialization is called a revolution because

c. mass = force / accellaration

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