Tobacco and alcohol are included, but there is no mention of other botanical or mycological developments outside food production. Those would be an interesting addition.
Such as?
https://en.wikipedia.org/wiki/Entheogenic_drugs_and_the_arch...
https://en.wikipedia.org/wiki/Psilocybin#History
https://en.wikipedia.org/wiki/Peyote
https://en.wikipedia.org/wiki/History_of_cannabis
https://en.wikipedia.org/wiki/Kava