Well in the intro you need a thesis at the end which is your resons for the essay. Well yes you do for the conclusion because your concluding.
Answer:
Climate change, carbon dioxide, catastrophe, current, critical, crises.
Ecosystems, earth, envirerment.
Explanation:
This was an event in Vonnegut's own life, and the novel is
considered semi-autobiographical. from his time as an American soldier and
chaplain's assistant, to post war and early years. It is generally recognized
as Vonnegut's most influential and popular work.