A Reliable Food Supply

A society has to have more than enough food for survival. This allows them to focus on other aspects of life as opposed to just farming.

Often times in the ancient world, the production of a food surplus was the result of the flooding of major rivers. When these rivers would flood, the plants would receive rich nutrients and grow plentifully. This meant that not all people had to be restricted to farming each day, and led to job specialization. This meant people could, instead, learn architecture, medicine, and wartime tactics. This led to more advanced societies.