Complex sentence: The story details the events of a disastrous expedition to the Antarctic continent in September of 1930 and what was found there by the explorers, which the narrator describes in the hope of deterring another planned expedition to return to the continent.
Split into simpler sentences: The story details the events of a disastrous expedition to the Antarctic continent in September of 1930 and what was found there by the explorers. The narrator details a series of previously untold events in the hope of deterring another group of explorers who wish to return to the continent.