In fact most of the people who were present then understood...
In fact most of the people who were present then understood the situation the same way as Umar did, because the Messenger of Allah had previously indicated the issue when he said, "I shall leave you with two weighty things: the Book of Allah and the members of my Family () and their descendants, if you follow them, you will never go astray after me." And during his illness he said to them, "Let me write you a document, if you follow its contents, you will never go astray." Those who were present, including Umar, understood that the Messenger of Allah wanted to reiterate, in writing, what he had already said in Ghadir Khum, and that was to follow the Book of Allah and and that ‘Ali was the head of it.
It was as if the holy Prophet (saw) was saying, "Follow the Qur'an and ‘Ali." He said similar things on many occasions, as has…