For many years the nomads were fighting and hunting depending on nature to survive, wives always picking berries and taking care of babies always moving place to place.
Discovery of farming
After the nomads finished hunting they would feed the babies and themselves after there move if they had successfully made the kill from the animal.
Permanent houses and communities
Lets build communities
We will meet new Mesopotamians
there was a change 8000 years ago from providing food to herding and taming animals not killing them so the animals were domesticated and goats were utilized they started to learn how to grow there own food such as grains, wheat and corn.
Trades and Jobs
I have the basket of food
then me and the baby will live there
All the women farming and taking care of the babies and the men bringing the animals and taming them the population grew a ton from around 2 million to 90 million humans this farming allowed people to build permanent villages.
Lets build houses
The nomads would start to build houses along rivers and there was enough fertile on the ground and they could grow crops and enough space to build houses for the families.
So humans started to form communities as the population grew so they worked hard to build more houses and there were more jobs people were medics, traders, and such as farmers division of labor allowed some people to develop better farming equipment. And surplus of food