摘要：At the beginning of the thirteenth century, many change had took place where trade witnessed a new dramatic change. From 1200 till the middle of the thirteenth century, trade had been developed and in the twelfth century, this may due the increase in population during the twelfth century and increase demand for the food stuff and raw material all these reasons loads increase trade and enabled merchants of lower Germany to joined the north and Baltic traders later on, they became competitors with Scandinavia , Flemings, Frisians, The basis of joining this trade resulted from lobar foundation in 1158-1159 since the new city was located only 20 K.m a way from Baltic sea. It became the starting point for the expansion of lower Germen traders towards the stable trade in the region..
