Writers share their work with an audience is the answer
Answer: To be persuasive, proposal writers must demonstrate that they understand readers' needs. According to Chapter 11, what other two things must they demonstrate? that they are able to do what they plan to do; and they are committed to fulfilling their promise.
Explanation:
Although there is not a current paragraph related here. According to the actual meaning of the word, vicissitudes, it is possible to say taht this word means difficulties (mainly related to difficult times), that are going to have possitive consequences. In other words, it is possible to say that it has a possitive and a negative meaning at the same time.