In "the monkey's paw" how does the author develop the mood in the story? cite specific lines to support your response

In The Monkey's Paw, one of the authors' purpose is to make tension through the puzzle encompassing the monkey's paw. At the point when Sergeant Major Morris visits the Whites, he carries with him the extremely dubious and secretive story of the monkey's paw. He advises the Whites that he needs to dispose of it, the Whites are extremely intrigued, particularly Mr. White.

He has good intentions maybe he belives in global warming