Who is the audience for the Donner Party Rescuer Diary? What makes you think so?

In the last letter chris sent to westerberg, he wrote, "this is the last time you shall hear from me," and "if the adventure proves fatal and you don't ever hear from me again . . " do you think chris was suicidal, had a premonition of what might happen, or simply was acknowledging the inherent risks of living in the wilderness? support your opinion with evidence from the book.

Which of these authors wrote a story that revolved around a captains underwater adventures with his crew and a sub marine long before the submarine was actually invented

How do the excerpt and diagram complement one another?