When employees buy into a corporate vision and model their behavior on an executive who compels them to undertake the hard work necessary to achieve big goals,

When employees buy into a corporate vision and model their behavior on an executive who compels them to undertake the hard work necessary to achieve big goals, the executive is exhibiting effective:_____.
A) strategic leadership.

B) functional-level planning.
C) vertical integration.
D) strategic alliance.
E) risk taking.