How did they form? What are their specific traits? Stereotypes (even untrue, if marked as such)?
If cultural differences coincide with geography, please mention in, too.
In the questions about weird things people from different continents do somebody pointed out, that Europeans have little knowledge of this, so please fix my ignorance.
I recommend https://colinwoodard.com/books/american-nations/ It’s a well written source on this subject. Woodard details eleven groups each with a shared cultural background, with names like New Netherland, Tidewater, El Norte, and the Left Coast. The Wikipedia page for the book has a broad outline of the ideas if you want an overview; but, the book is well worth a read if this is an area of interest for you.
His video on it should be required viewing for everyone. https://youtu.be/N9XMTdRwWVg?si=pBP3D3lAgUmeN1ln
Here is an alternative Piped link(s):
https://youtu.be/N9XMTdRwWVg?si=pBP3D3lAgUmeN1ln
Piped is a privacy-respecting open-source alternative frontend to YouTube.
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I will check that.
I’m going to check this out, thanks for the recommendation