 The internal promotion reform in the army led to various people expecting promotions, which they may not have been given, and this led to tensions and violent outbreaks.Monetary inflation and splits amongst the rulers began to occur in the empire, as various pretenders vied for power in Rome, and these had deleterious effects in Britain.Rebellions in Gaul (259) and by Carausius, a naval commander who usurped power in Britain, and Allectus, who did the same (286), may have affected troops in Cumbria who were forced to take sides