In the 15th century, the Incas emerged as a powerful state which, in the span of a century, formed the largest empire in pre-Columbian America.[11] Andean societies were based on agriculture, using techniques such as irrigation and terracing; camelid husbandry and fishing were also important. Organization relied on reciprocity and http://cancindelobo66544.win-blog.com/5491381/o-truque-inteligente-de-peru-que-ninguém-é-discutindo