Final answer:
Leadership traits of Rock included modesty, simplicity, honesty, and principled behavior, with a clarity of goals and toughness of character. Leadership skills crucial for success are organizing, communication, delegating, and overall leadership ability. Expressive and instrumental leadership balance is preferred in leaders.
Step-by-step explanation:
The leadership traits that Rock exhibited include modesty and simplicity, alongside a commitment to crystalline honesty and principled behavior. When reflecting on Abraham Lincoln, his effectiveness as a leader was also due in part to these traits, as well as his clarity of goals and toughness of character, traits that allowed him to persist and have the personal courage to overcome obstacles. The traits of Jefferson Davis are not detailed, but it can be inferred that differences in leadership style and personal qualities between him and Lincoln influenced their effectiveness as leaders.
Additionally, the ability to organize, communicate effectively, delegate responsibilities, and leadership skills are necessary for a leader to succeed. These skills can be developed and demonstrated through participation in sports teams, tutoring, fundraising, organizing school events, or volunteering for non-profit organizations. Furthermore, embodying a combination of expressive and instrumental leadership is also important, as research suggests leaders who balance these styles tend to be preferred by both men and women.