Early Humans used the material of their gathering for many things. They used hide for tents. They made tools made out of bone to help them make clothing.
With the help of farming, people could now be sure of getting enough food to eat. All they had to do is wait for the food to grow and then the get fresh fruits and vegetables
Cities brought humans together, teaching them to work together to achieve better things. In cities people lived closely so they could protect one and another.