Stages of Prehistoric Culture: Morgan is the first man who, with expert knowledge, has attempted to introduce a definite order into the history of primitive man; so long as no important additional material makes changes necessary, his classification will undoubtedly remain in force. Of the three main epochs – savagery, barbarism, civilization – he is concerned, of course, only with the first two and the transition to the third. He divides both savagery and barbarism into lower, middle, and upper stages according to the progress made in the production of food.
ፍትህ ለሁሉም / Justice for All