Edmond, the CEO of Hartman Manufacturing, said to his new vice president of accounting, "In the past I had resistance to new ideas by employees who felt that our plans threatened their influence or their jobs. So when you tell your collections department that we just hired a collection agency to handle bad debt, you may have to sell your collections manager and his supervisors on using the agency. You also have to emphasize the fact that nobody is going to be laid off." Selling middle and supervisory managers on changes to overcome their resistance is often a necessary part of

(A) strategy implementation.
(B) reality assessment.
(C) strategic control.
(D) operational control.
(E) strategy formulation.