Answer:
It drives people crazy. Studies have shown that humans need others to survive. A baby was left alone in a room for testing. They only came in and fed it or changed it every few hours. After a few months, the baby died.
Explanation:
It would be the population increased. The Neolithic Revolution was the period in which people, at the time mostly nomads, gradually adapted a sedentary lifestyle, leading to population increase.
:)