> like some of those American Indian tribes that tried and failed to build corn-based civilisations in pre-Columbian times
Do you imply that corn had negative effect on Indians? From what I've read [1] it actually allowed Indians to maintain their population levels without having irrigation technology comparable to one developed in middle East and Europe.
Do you imply that corn had negative effect on Indians? From what I've read [1] it actually allowed Indians to maintain their population levels without having irrigation technology comparable to one developed in middle East and Europe.
[1] http://mitpress.mit.edu/books/technology-world-civilization