Answer: A. It allowed some people to devote their time to creating new inventions instead of farming.
Explanation: Neolithic cultures started to create more sophisticated stone tools by grinding and polishing hard rocks instead of just chipping the stones that were not as hard. People of the Neolithic learned how to grow cereal grains that allowed them to create permanent villages.They transitioned from the nomadism and a hunting-gathering economy gave them the time to develop specialized abilities and crafts.
