What does Dr. King mean by "constructive nonviolent tension" and how does he define its goal? Read this quote from Dr. King's letter: "We know through painful experience that freedom is never voluntarily given by the oppressor; it must be demanded by the oppressed." Can you think of other examples in history that illustrate his point? Explain your answer.

What does Dr. King mean by "constructive nonviolent tension" and how does he define its goal? Read this quote from Dr. King's letter: "We know through painful experience that freedom is never voluntarily given by the oppressor; it must be demanded by the oppressed." Can you think of other examples in history that illustrate his point? Explain your answer.