"Archeologists have always considered the beginnings of Andean civilization from ca. 13,000 to 6,000 years ago to be important in terms of the appearance of domesticated plants and animals, social differentiation, and a sedentary lifestyle, but there is more to this period than just these developments. During this period, the spread of crop production and other technologies, kinship-based labor projects, mound-building, and population ag ..."
From Foraging to Farming in the Andes New Perspectives on Food Production and Social Organization by Tom D. Dillehay Paperback, 380 Pages, Published 2014 by Cambridge University Press ISBN-13: 978-1-107-44866-7, ISBN: 1-107-44866-2