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<span>Prior to the development of city-states, people lived in rural spread out hamlets, which were subject to frequent raids by other factions. By concentrating people in a more protected settlement, which was the forerunner of the city-state, people had an increased survival rate.</span>
Answer:
They were important due to trade.
Explanation:
The kingdoms of old needed trade to function. Land routes were not safe, so sea routes were to go. Sea routes were also faster. They now are important as quicker ways to transport massive amounts of cargo. Have you ever seen a building sized cargo truck before? you get my point.
