Here you go
Explanation:
Societies that rely primarily or exclusively on hunting wild animals, fishing, and gathering wild fruits, berries, nuts, and vegetables to support their diet. Until humans began to domesticate plants and animals about ten thousand years ago, all human societies were hunter-gatherers.
The answer would be segregation. This is the practice in the society of isolating gatherings of individuals, for example, based on race, religion, or ethnicity. Sociologists utilize the idea of isolation to help clarify imbalance, as isolation frequently confines openings and limits the flexibility of individuals who don't have a place with an overwhelming gathering.
The dark ages in Greece lasted 300 years
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I can't find anything but I found this if it helps I'm sorry If I didn't
https://www.google.com/amp/s/www.history.com/.amp/topics/exploration/hernando-de-soto