Answer:
A - Personality.
Explanation:
As the exercise describes, many leaders share some personal characteristics hat have been examined; including originality, adaptability, introversion– extroversion, dominance, self-confidence, integrity, and conviction. Even though there are many types of leaders, what they all share is a set of characteristics such as extroversion, self-confidence, conviction, etc., as they are needed to step up, make choices, take different paths or guide people, for example.