Ancient chinese dating system
Grass pea, wild wheat, wild barley, and lentils were found throughout the site, including some of the earliest known samples.
This was much further east than most sites known for early agriculture.
They further cemented the bonds between people within villages and regions, unifying culture to the point that it might be called a civilization.
However, governments needed a way to pay the laborers who built and worked on their projects.
At the same time, the increasing tendency to remain in a single location put pressure on groups to protect themselves from other still nomadic peoples.These were found with stone figurines in levels where earthen buildings had been flattened and destroyed, as though civilization had kept building atop their own ruins, or re-purposing land, as needs changed.Evidence in the middle east shows pottery styles moving throughout the Arabian peninsula, especially during the late Halaf-Ubaid period, where painted pottery and flint arrowheads have been discovered in great number.Such developments also brought trade, and a class of merchants. Also, within individual villages, artisans contributed to the homogenization of culture.Merchants caused further interaction and exchange, known as Cultural Diffusion. Rising above the past nomadic "religions", cultures developed a unified polytheism within their ranks, which led them to further bond themselves together. As you can see, specialization of labor was a direct offshoot of an agricultural surplus.