What did the Greeks who lived in different territories have in common?

wherever the Greeks lived, they spoke the same language, used the same script, worshiped the same gods and called themselves Hellenes, and Greece – Hellas.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.