Agriculture lead to the ploughing of fields, establish permanent settlements around the irrigated areas. Domesticated animals and they were used for transportation of goods.
There were extreme food supply, there was an end for nomadic life. People had an ample time apart from agriculture and hence they were fascinated by the study of stars .This paved way for many innovations.
New segments of people sprang up as they turned to live a social life. Many code of laws were decided and people started to adhere to it in order to live peacefully.