The main development of cities in the Paleolithic age was due to the development of tools.
The Paleolithic age is also referred to as the Old Stone Age. It's a period that was distinguished by the development of stone tools. They developed complex tools that were made of natural fibers and stones.
Some of the important innovations during this era were scientific inquiry, art, language, etc. They also had different weapons.
The development of cities and civilizations in the Paleolithic age was due to the development of tools and the transformation from a culture of hunting to farming.
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