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Thomsen, who came up with a framework for the study of the human past, known as the “Three Age System”.
The basis of this framework is technological: it revolves around the notion of three successive periods or ages: Stone Age, Bronze Age, and Iron Age, each age being technologically more complex than the one before it.
Initially, pottery was made in open fires, but the use of ovens added new possibilities to the development of pottery.
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Others say that this stone-bronze-iron pattern has hardly any meaning when applied outside Europe.
Despite the critics, this system is still largely used today and, although it has limitations, it can be helpful as long as we remember that it is a simplified framework.