A system of levels in society. This can be economic (jobs and wealth), social (popularity), or
Stable Food Supply
When a society has enough food so it can survive, plus some extra to trade.
A set of beliefs, usually in a god or gods, together with forms of worship such as holidays, prayer services, and rituals.
A group of people who keep law and order and make laws.
Symbols and signs put together to make words.
A people's unique way of life--all of its forms of creative expression and entertainment
...All advances, inventions, and processes created to make life easier.
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