As others have said, the rising action occurs as Mrs. Hale and Mrs. Peters explore the kitchen area of the house with the observant female eyes of fellow rural housewives who grow, because of what they see, to have increasingly more empathy for Mrs. Wright. As the action rises, the two women imagine how lonely life must have been for the isolated Minnie Wright. Mrs. Hale remembers how vivacious Minnie once was and now regrets not having visited her more often to check up on how she was doing.
Mrs. Peters has a harder time empathizing, as she is a newcomer who never knew Minnie, but as the evidence unfolds, she is able to find more and more parallels between Minnie's life of isolation and loss and her own. While the men dismiss Minnie as a poor housewife—and miss the evidence that Minnie killed her husband—the two women realize that the Minnie was a careful housewife whose now somewhat-messy kitchen is an indication that she snapped.
As others have noted, the climatic point comes when...
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