In the context of the nine keys of leadership success, which of the following best describes the front door key?A) The importance of ethics, including the character of the leader—honor, honesty, courage, and other related qualitiesB) The empowerment of people, including the power that comes with a leadership position, combined with a leader's practice of servant leadershipC) A leader's ability to understand people and to persuade them to do things, including sensitivity to their needs, skill in listening and speaking, and motivation effectivenessD) A leader's mastery of leadership principles, including the assignment of work, communication with followers, team building, and the rewarding of performance