The invention of polished stone axes was a major advance that allowed forest clearance on a big scale to create farms. This use of polished stone axes elevated tremendously in the Neolithic, but had been initially used within the preceding Mesolithic in some areas corresponding to Ireland. Agriculture fed bigger populations, and the transition to sedentism allowed concurrently elevating extra children, as infants not wanted to be carried, as nomadic ones must. Additionally, youngsters might contribute labor to the raising of crops extra readily than they might to the hunter-gatherer financial system. Other technological advances made through the Paleolithic period had been clothing and shelter; the adoption of both technologies can’t be dated precisely, but they had been a key to humanity’s progress. As the Paleolithic era progressed, dwellings became extra subtle and extra elaborate; as early as 380 ka, people had been constructing short-term wooden huts.
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