Part 1Explain the functions, roles, and activities of managers. Research two companies within the last 3-years, not described in the book, and discuss what managerial characteristics were essential to lead change.Part 2Write a 2-3+ page, double-spaced essay about classical, behavioral, and modern management approaches to leading.Give a brief history and the development of each theory.Discuss why the principles are important for managers in the workplace.Compare and contrast each theory.Give an example of how managers can use each approach to lead employees to change.