[^3] Ash-Shahristani in his book al-Milal wen-Nihal, the fourth introduction.

[^3] Ash-Shahristani in his book al-Milal wen-Nihal, the fourth introduction. (111) lagged behind or if they did not join it whereas the caliphate would be turned away from them to others if they went to the battle before the death of the Prophet (s). The Prophet (s) wanted the capital to be empty of them so that the situation would be clear and safe for Ameerul Mo'mineen Ali bin Abu Talib (s).

If they came back after the covenant of the caliphate would have been determined to Ali, they would have no good chance to dispute or disagree then. The Prophet (s) had appointed Ussama, who was seventeen years old,[^1] as the emir over them in order to degrade the haughty ones, to control the fancy of others and to be safe in the future…