hold marked the removal of the last barrier to his universal supremacy. His unlimited rule was emphasized and endowed with continuity by the downfall of matriarchy, the introduction of patriarchy, and the gradual transition from the pairing family to the monogamic family. This made a breach in the old gentile order. The monogamic family became a power and lifted a threatening hand against the gens.
The next step brings us to the upper stage of barbarism, that period in which all nations of civilization go through their heroic era. It is the time of the iron sword, but also of the iron plow share and axe. The iron had become the servant of man. It is the last and most important of all raw products that play a revolutionary role in history; the last—if we except the potato.
Iron brought about agriculture on a larger scale and the clearing of extensive forest tracts for cultivation. It gave to the craftsman a tool of such hardness and sharpness that no stone, no other known metal, could withstand it. All this came about gradually. The first iron was often softer than bronze. Therefore stone implements disappeared very slowly. Not only in the Hildebrand Song, but also at Hastings in 1066, stone axes were still used in fighting. But progress was now irresistible, less interrupted and more rapid. The town, inclosing houses of stone or tiles within its turreted and crested stone walls, became the central seat of the tribe or federation of tribes. It showed an astounding progress of architecture, but also an increase of danger and of the demand for protection. Wealth increased rapidly, but it was the wealth of private individuals. Weaving, metal work and other more and more differentiating industries developed an increasing variety and display of art in produc-
