What does king affonso believe has caused his vassals to become disobedient?

King Affonso believed that the disobedience of his vassals was primarily caused by the influence of external forces, particularly the Portuguese traders and missionaries. He felt that these outsiders undermined his authority and encouraged rebellion among his subjects by promoting their own interests. Affonso sought to restore order and loyalty by emphasizing the importance of maintaining traditional governance and cultural values in the face of foreign interference.