The Aftermath of Ghadeer Khumm

After Prophet Muhammad declared Ali ibn Abi Talib's successorship, the angel Gabriel descended with an extension of the verse Quran 5:3, adding "today I have perfected your religion for you, and I have completed my blessing upon you, and I have approved Islam as your religion", showing that there's a version of Islam that's perfected and a version that's incomplete. After the kutba, the people were commanded to pledge allegiance to Imam Ali, and the prophet instructed them to greet him with ...