In my opinion, the lines that reflect the themes of barrenness and emptiness are 4. The jar was gray and bare and <span>5. It did not give of bird or bush, / </span><span>Like nothing else in Tennessee. The jar in Stevens' poem epitomizes the effect and positioning of civilization within nature. Apparently, nature (nothing, that is everything else in Tennessee) still has powers which the futile and barren civilization doesn't have.</span>
For the introduction introduced the play, bring up the meaning of betrayal and mention that Julius was betrayed. But don't explain it all there, you can go more into detail about that stuff in the following paragraphs. For the concluding paragraph you can briefly summarize what you had written, but don't bring up any new information at all.
Peripeteia is also known as the turning point, the place in which the tragic protagonist's fortune changes from good to bad.
filled my mouth with happiness as I gulped it down greedily.