What is so special about classical civilizations

They formed their own faiths, lifestyles, administrative organizations, and social arrangements.

Explanation:

Classical Culture, also known as Classical ancientness, is a comprehensive title for a considerable duration of cultural history focused on the Mediterranean Sea, which starts roughly with the earliest-recorded Greek versification of Homer (7th century BC), and proceeds through the ascension of Alexander the Great and the Collapse of the Western Roman Empire (5th century AD), finishing in the adjournment of traditional culture with the conclusion of Late Antiquity.