Apart from inheriting citizenship, it could be accorded to individuals or groups either for particular merits, for mere political expediency, or as a reward for some signal service to the State.
इसी तरह एक सैनिक जब रोमी पलटन से सेवा मुक्‍त हो जाता तो उसे रोम की नागरिकता दे दी जाती थी ।