According to the passage, why is the Rio Grande so important?

Which statement best paraphrases these sentences from the text

Which best compares the authors’ purposes in silent spring and “save the redwoods”? both authors want readers to protect human rights. both authors want readers to focus on saving trees. both authors intend to entertain readers with their essays. both authors intend to convince readers of their viewpoint.

Which two sentences in this excerpt from leo tolstoy's the death of ivan ilyich reflect the author's belief that russia's rising middle class was unable to express genuine emotion?