 Moreover, there was a conflict among the immigrated clans' interests; it was a faction that led to a virtual balance which somewhat benefited the emperor's ruling.Although there was a stated goal of recovering the "lost northern lands", paranoia within the royal family and a constant string of disruptions to the throne caused the loss of support among many officials.Military crises—including the rebellions of the generals Wang Dun and Su Jun, but also lesser fangzhen (, "military county") revolts—plagued the Eastern Jin throughout its 104 years of existence.