Answer:
On the basis of time, society is classified in ancient society, medieval society, and modern society.
Step-by-step explanation:
Ancient Society spans from the first civilizations: Sumer, Ancient Egypt, Indus Valley, and Chinese, until the fall of the Roman Empire in 476 AD. Historians tend to regard Ancient Greece and Ancient Roman civilization as the pinnacle of Ancient Society.
Medieval Society: the society that lived from the fall of the Roman Empire to the discovery of the Americas by Columbus in 1492. This society is characterized by feudalism, religiosity, and slow technological progress.
Modern Society: the society that started at the end of the medieval period, and continues to exist to this day. Fast societal and technological change is characeristic of this society.
Modern society is without a doubt the most civilized. Standards of living of modern society are much higher than those of medieval and ancient society, technological progress is exponentially higher and faster, and society has also made progress in cultural aspects.