how important is the setting to the story's plot?

Certainly the setting drives the plot. The man's external conflict with nature also drives the main theme. The setting is so unforgiving that any mistake can prove fatal. The setting demands that the man's external conflicts eventually become internal conflicts.

thank you very much I appreciate it. You help a lot :)

Certainly the setting drives the plot. The man's external conflict with nature also drives the main theme. The setting is so unforgiving that any mistake can prove fatal. The setting demands that the man's external conflicts eventually become internal conflicts.