Mexico - the country of the most ancient civilisations. In its terrain during many millenaries there lived numerous American Indian nations which were hunters, collectors of wildings and farmers. They were able to treat metal, to erect majestic temples and tripod signals, to build cities, weirs and water lines. The ancient nucleation sites for of farming agriculture existing in mountain valleys of Mexico, have presented to mankind such valuable crops as corn, a bean, the apples of love, some aspects of a cotton plant.