Modern man appeared with Cro-Magnon Man about 35,000 years ago. He was a hunter/gatherer, following the herds which sustained him, dressed in animal skins and using rudimentary stone tools. He had a spiritual life, evidenced by cave art and hints of ritual burial.
By 10,000 years ago, the last ice age was ending, and he began the Agricultural Revolution, domesticating animals, planting crops and leaving his nomadic life for static villages. Trade began to grow, and as engineering became predominant, societies formed into hierarchies centred on leader and priest.
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