Human’s technological ascent started in earnest in what is called the Neolithic Period (“New Stone Age”). The invention of polished stone axes was a major advance that allowed forest clearance on a large scale to create farms. This use of polished stone axes elevated significantly in the Neolithic, however had been initially used in the preceding Mesolithic in some areas similar to Ireland. Agriculture fed larger populations, and the transition to sedentism allowed concurrently elevating extra kids, as infants not wanted to be carried, as nomadic ones should. Additionally, kids could contribute labor to the elevating of crops extra readily than they could to the hunter-gatherer economy.
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