The correct answers are organized schools and division of labor.
The characteristics that are necessary for a society to be considered a civilization are organized schools and division of labor.
Other important factors that have to be considered when talking about civilization are the creation of cities and an established army. These above-mentioned are important components of civilization. This civilization will have the proper social structure and infrastructure to open ways of living to the members of this civilization.
Talking about civilizations, let's remember the oldest one on planet earth: the Sumerians. Sumerians are considered to be the first civilization on the planet. They settled in the middle of the Tigris and Euphrates River in the Middle East, modern-day Iraq.
