Agriculture surpasses other industries not only in the number of people it employs but also in its service to mankind. It is the foundation of all other industries. Before the development of agriculture the quest for food occupied most of the time of nearly all able-bodied men, as it still does among the Eskimos and some other hunting societies. Agriculture made food more plentiful, gave men more time for weaving, making pottery, working metal, and other activities. Modern agriculture frees many workers from the necessity of growing their own food and makes it possible for them to become doctors, engineers, chemists, musicians, factory workers, or to enter any of the other occupations of modern civilizations.