Answer:
b. transformational
Explanation:
Transformational leadership refers to the kind of leadership wherein a leader uses his appeal or charisma effectively to convey and convince his subordinates with respect to long term vision.
Transformational, as the word suggests refers to those leaders who are capable of transforming the approach of their subordinates owing to their charm and the reputation they have earned for themselves.
Such leaders are good at implementing organizational changes owing to their personality.