Elders, merchants and artisans, and slaves called Helots. in 660 B.C, the Spartans lost to the Argives. The loss encouraged the helots to revolt against the Spartans, causing Sparta to tighten its strict militaristic rule. Boys as young as seven would leave their families and live in barracks. In the barracks, the boys would be harshly disciplined in order to serve their polis in the future as soldiers. The city-state of Sparta was heavily war-oriented. Unlike the city-state, Athens, which focused more on education. Sparta did not approve of Athens. The two city-states
had two opposing philosophies. Sparta was more traditional, while Athens was more modern. As well as being modern, Athens had more power than Sparta. Athens was the home of democracy. It was invented by an Athenian named Cleisthenes in 507 B.C. In 499, after the war between Athens and Persia, Athens gained naval superiority because of their naval strategy they used to defeat to Persians. Because of Athens' sudden use of boats, different goods were transported to other locations, turning Athens a trade center. Athens and Sparta fought in a war that lasted 27 years in 431 B.C called the Peloponnesian war. After the war, the two most powerful city-states couldn't reunite, causing the Macedonians to take over, and the fall of the Greek empire.