What was the situation like when Imam Ali Ibne Musa Al-Redha (A) came to the designation of Imamah of the Ummah? What was he faced with? What was the tyranny of Bani Abbas like? What did the Imam do and how did he continue the Jihad of Infallible Imams? The Leader, Ayatollah Sayyid Ali Khamenei speaks. We send our countless salutations upon Imam Redha (A) on his martyrdom anniversary according to one narration - 29 Safar.