Hi.
I’ll wager the Indians were obsequious with their obsidian.
Okay, I’ll go to the corner...
5.56mm
:^) Colin Renfrew got his props early in his academic career via his work on the Aegean obsidian trade. Even today though, there are jokers who seem to think that the world’s waters were always obstacles to human movement, even though the British Isles are one of the most-invaded places on Earth.
https://www.google.com/search?q=colin+renfrew+obsidian+trade