Based on sociocultural theory, Leadership is best defined by our text as "the ability to influence a group toward the achievement of a vision or set of goals."
Leadership has been found to have some of the following features:
All of the characteristics above are combined by leaders to influence followers toward accomplishing objectives, goals, or a vision.
Hence, in this case, it is concluded that the correct answer is option B. "the ability to influence a group toward the achievement of a vision or set of goals."
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