Concept:The Year of Sorrow marks the death of the Prophet’s closest supporters after the boycott ended.Explanation:After the boycott against Banu Hashim came to an end, the Prophet (S.A.W) faced a period of deep personal grief.His beloved wife, Khadijah (R.A), died shortly after the boycott was lifted.Then his uncle, Abu Talib, who had protected him for many years, also passed away.This double loss is remembered as the Year of Sorrow.Answer:Wife and uncle