The history of smoking dates back to as early as 5000 BC in the Americas in shamanistic rituals. With the arrivals of the Europeans in the 16th century, the consumption, cultivation, and trading of tobacco quickly spread. With the modernization of farm equipment and manufacturing bore the cigarette following reconstruction in the United States. This method of consumption quickly expanded the scope of consumption, which grew until the scientific controversies of the 1960s, and condemnation in the 1980s.