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Anon is an anthropologist
(sh.itjust.works)
This is a place to share greentexts and witness the confounding life of Anon. If you're new to the Greentext community, think of it as a sort of zoo with Anon as the main attraction.
Be warned:
If you find yourself getting angry (or god forbid, agreeing) with something Anon has said, you might be doing it wrong.
Language probably predates Homo Sapiens as our close relatives such as Homo Neandertalensis and Homo Denisova also had adaptations for articulated speech.
https://www.nature.com/articles/s41559-021-01391-6
Beside, populations today that have never had agriculture or traits we associate with civilization and who live secluded, like the North Sentinelese, all have languages.
I think it's best explained by environmental factors, rather than something interior to humanity. After all, most of human's existence was during the Pleistocene, but all recorded history is within the Holocene (except now we're entering the Anthropocene). Many modern studies account for the climate shifts to explain the development of agriculture:
https://www.pnas.org/doi/pdf/10.1073/pnas.1113931109
https://journals.sagepub.com/doi/10.1177/0959683611409775
Most traits we associate with civilization are linked to agriculture and sedentary.