I mean, America had agriculture[1] before Columbus showed up. Cahokia[2] came and went (and then other people moved in). [1]: https://en.wikipedia.org/wiki/Thr

I mean, America had agriculture[1] before Columbus showed up. Cahokia[2] came and went (and then other people moved in). [1]: https://en.wikipedia.org/wiki/Three_Sisters_(agriculture) https://en.wikipedia.org/wiki/Three_Sisters_(agriculture) [2]: https://en.wikipedia.org/wiki/Cahokia#Abandonment_and_resettling_(15th_through_19th_centuries) https://en.wikipedia.org/wiki/Cahokia#Abandonment_and_resett...