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Transcription: [01:33:37]
{SPEAKER name="Gordon Ekholm"}
Uh, internal development of independent invention, because no idea is taken over exactly by one culture, as it was used or was part of another culture.
[01:33:51]
So that invention, evolution, diffusion, are all complementary in a larger theory of, of culture change, culture growth.
[01:33:37]