C.Hubbell uses exclamation points to show the speaker's enthusiasm, while Dickinson uses dashes to create long pauses in the poem.
It seems that you have missed the necessary options to answer this question but anyway, here is the answer. The widespread problem that Ishmael Beah attempts to reveal in his memoir A Long Way Gone is the <span>use of children and teenagers as soldiers in armed conflict. Hope this answers your question.</span>