The earliest villages usually had about residents.

The earliest had about 150 to 129 residents. These villagers, used to build there houses close together to protect from wind and also to protect them from competing villages from attacking. This clusters letter on developed into villages that grew into business centers. The social activities such as inter marriages and economic activities played a major role in growth of these clusters into villages and later on into small towns. 

Ithink the answer is c