Effectively Communicating the Strategic Vision Down the Line to Lower-Level

Effectively communicating the strategic vision down the line to lower-level managers and employees has the value of

A) not only explaining "where we are going and why" but,more importantly,also inspiring and energizing company personnel to unite to get the company moving in the intended direction.
B) helping company personnel understand why "making a profit" is so important.
C) making it easier for top executives to set strategic objectives.
D) helping lower-level managers and employees better understand the company's business model.
E) All of these.