Identify an effect that a surplus (more of something than someone needs) of food might have on a society.

Explanation:Food surpluses affect people and populations because if you have a food surplus, you can have more children. You could also focus on other jobs. What resources were necessary for villages to grow into cities. Heating, glass, iron, people, stores, roads, were all necessary resources for villages to grow.

the answer wold be b) travel among nations should be regulated by an international organization