How does Krakauer know that McCandless "was at peace, serene as a monk gone to God"?

Which of the following describes a method of using chronological order?

Constructing an argument: in modern american society, the legalization of marijuana continues to be controversial and hotly debated. some people find it contradictory that certain "drugs"—such as tobacco and alcohol—are legalized even though they pose proven health risks, while marijuana, which has many medicinal applications, continues to be illegal by the federal government. what reasons do you think the federal government gives for outlawing marijuana, and do the reasons support the conclusion?

You seal resign myself to you also i guess what you mean, i behold from the beach your crooked inviting fingers, i believe you refuse to go back without feeling of me, we must have a turn together, i undress, hurry me out of sight of the land, cushion me soft, rock me in billowy drowse, dash me with amorous wet, i can repay you. in this excerpt from "song of myself," which literary device does whitman use to address the sea? alliteration allusion apostrophe onomatopoeia