The appearance of new technologies in europe after the 11th century produced a variety of social consequences, both progressive and problematical. For example, the heavy plow made it possible to farm new lands, particularly the rich, alluvial soils on the european plain, and this ability helps account for the northward shift of european agriculture in the middle ages. Then, because the heavy plow and its team of oxen or horses was an expensive tool, beyond the capacities of individual peasant farmers to own, it brought a new type of ownership and patterns of communal agriculture and communal animal husbandry, thus solidifying the medieval village and the manorial system as the bedrock of european society at least through the french revolution. Among the social impacts of the employment of the heavy plow and its traction animals on equipment ownership, one can refer to.