Factors affecting neighboring relations Sarbedaran and local HkvmtHay

One of the features of the political history of Iran in the eighth century AH, between fall of Ilkhanid and rise of the Timurid, is the existance of numerous local dynasties that formed in the corners of Iran. In this situation, the East of Iran, Khorasan was the place of saber-rattling of several local governments including Sarbedaran government relying on the duodenal Shiism. Besides Sarbedaran and before them, the Sunni governments of Taqatimur, Al Kurt and Jani Ghorbanian also tried to gain political power. With the establishment of these governments in the near of Sarbedaran together and despite weak friendly relations between them, several factors such as territorial issues and territory extention, particularly the competition over getting Khorasan, religious and political differences, made tension and conflict inevitable between local governments in Khorasan that eventually lead to weakness and there for fall and decline of them. The presented study with analytical-descriptive method, relying on original sources and new studies and accurate, detailed looking want to analyze hidden and obvious aspects of the relations of these local governments and Factors influencing of it.