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Villages were transformed into cities. There were significant improvements in architectural constructions. There were also improvements in agriculture and transportation with the commercial groups which allowed the exchange of products. They then divide into social classes: Patricians, plebeians and slaves. This decreased technological advances.
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The main events that happened in this period were the creation of tools that helped to hunt and gather food. The tools were made of bones and stones. They created weapons such as arrows and spears. Afterward they were able to control fire. Which was used for cooking, protection and heat. The improvement of living conditions later led to small living groups. They divided tasks bringing social inequality
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