Greek settlements allowed for easier contact with other civilizations.
Ancient Greece is made up of mountainous terrain that often separated its inhabitants making internal communication difficult. Greece is surrounded by seas, leading the ancient Greeks to become skilled seamen and assisting with the ability to interact and trade with neighboring regions for foods and goods.
I believe the answer is professionalism.
Professionalism would also be translated as a set of skills that expected from someone at a certain job position.
In order to obtain those set of skills, Experiences and formal training are the most crucial factors to have.<span />
The main difference between the newer and older stone age was that in the newer one, crop growing and domestication of different types of animals was becoming more and more common in different villages or societies. This was not the case in the older stone age.
