The reasons for the long stability and the centuries-long, uncontested Roman rule over the entire Mediterranean basin and bordering territories are a perennial topic of discussion. In that respect, the willingness of Rome to grant citizenship to former subjects is an essential chapter to be written in this history. Yet it is less often asked to what extent the induction of individuals from the subject states and peoples into the Roman Senate contributed to that stability. The positive and negative consequences of this phenomenon are discussed in this chapter.