Genghis Khan, Makers of History Series

Four different modes of life enumerated.
There are four several methods by which the various communities into which the human race is divided obtain their subsistence from the productions of the earth, each of which leads to its own peculiar system of social organization, distinct in its leading characteristics from those of all the rest. Each tends to its own peculiar form of government, gives rise to its own manners and customs, and forms, in a word, a distinctive and characteristic type ...