A topic is the main idea of a writing. In this case, the topic of the essay is Yellowstone National Park because the essay talks about the national park itself.
autobiographies <u><em>are written in a first person point of view </em></u>
which means<em> </em><u><em>the narrator is the writer of the story</em></u> and also that it was written from years ahead so your answer is " the events are usually written from a distance in time" D
The key questions to ask when refining and polishing your thesis statement are: does the thesis question address the assignment? Can you clarify any vagueness in phrasing or assertions? Are there any alternatives to your thesis statement?
hope this helps :)