Answer: Water because they were the first to develop a system of waterways that supplied cities with water. Then they will need food: Then foods like corn or grain, oil wine, clothing; togas, tunics, stoles, Pallas. And they need government because there were many violent political struggles. And they needed money; coins during the time were silver, gold, bronze. The coin face would be the current emperor. For the education was for the students to be effective speakers because of their alphabet Latin and their language.
Explanation: because i got a+