Which of the Following Was a Major Contribution of Management

Multiple Choice

Which of the following was a major contribution of management guru, Peter Drucker?

A) the discovery that great companies are managed by "level 5 leaders" who often display humility while simultaneously inspiring those in the organization to apply self-discipline
B) the focus on the areas of organizational learning and change
C) the ability to urge U.S. firms to fight their competition by refocusing their business strategies on several drivers of success like people and customers
D) the focus on the "strategic and organizational challenges confronting managers in multinational corporations"
E) the need for organizations to set clear objectives and establish the means of evaluating progress toward those objectives