Question: What Sunni Islamic fundamentalist political movement had a hand in the disillusionment of Nasser al-Bahri?
Sentence (from "Nasser al-Bahri"): After four years, al-Bahri became "disillusioned", largely because bin Laden consolidated al-Qaeda's relationship with the Taliban by giving his bayat to its leader, Mullah Omar, but also because he had married and become a father.
Relevant evidence: Yes