When the Prophet Muhammad, may God’s peace be upon him and his family, was about to die, God commanded him to appoint Imam Ali, peace be upon him, as a caliph over the Muslims after him. This appointment took place after his return from Hajj in Ghadir Khumm, so he stood up and said to them: Whoever I am his master, Ali is his master, O God, and to whomever is his guardian, and to whom I am loyal. He antagonized him, supported those who helped him, and abandoned those who abandoned him