The answer is "it is described as social control".
We can define social control formally as Outside authorizations upheld by government to keep the foundation of confusion or anomie in the public eye. Social control which infers the social intercourse is controlled as per built up and perceived gauges, is complete, supreme and successful to empower request, train and commonality; and to dishearten, and if require be, to rebuff the aberrance.
They probably needed to store it to keep it from other people or animals. Also, if there was a drought or flood, they needed a surplus of food stored to survive until farming conditions got better.
Answer:
Central part of human reproduction.
