Answer:
Cultural divergence
Explanation:
Based on the scenario being described within the question it can be said that this is referred to as cultural divergence. This term basically indicates the separation of something that was before a whole society or cultural group, into a new and different faction. Which is what this scenario is describing as a culture is divided into various different cultures that have landed in different stages of growth.
Everyone had vanished. The Lost Colony.
Athens was more of a naval city and Sparta was more of a foot soldier city. Sparta's culture revolved around war and Athens' culture revolved more on the arts in philosophy and drama. In the Greek-Persian They both were both able to defeat the Persians. Sparta won the Pelloponisian war against Athens. Athens founded democracy.