In what ways can the time period in which Emily Grierson from "A Rose for Emily" lived in help support the fact that she is guilty for murdering Homer Barron?

Emily Grierson grew up in the antebellum South, a time period before the Civil War in which slavery was legal and prestigious families owned valuable plantations. Because Emily hails from a wealthy, aristocratic family, she is revered by her community members, particularly the older citizens of Jefferson, who identify with the Old South. At a time when women had few rights, Emily Grierson was the exception because of her revered family name. When Emily begins courting Homer Barron following her father's death, the community of Jefferson discourages her from dating a northerner. Emily also becomes aware that Homer Barron has no plans of getting married and visits a local pharmacy to purchase arsenic. When the pharmacist tells Emily that the law requires her to tell him why she is purchasing poison, Emily simply stares at the man. Since the pharmacist is aware of Emily's social status, he politely gives her the arsenic without asking any more questions. In the Old South, it would have been considered rude to reject a woman with such a revered last name.
Homer Barron then mysteriously disappears, and there is an awful smell permeating from Emily's home. One could easily ask Emily about Homer Barron and look into the cause of the permeating smell, but it would have been considered inappropriate given the time period. The citizens of the Old South refuse to question Emily and inquire about the odor coming from her home. Their actions correspond to how men treated women of a certain social status in the Old South. Since Emily is fully aware that men will not question her, she proceeds to murder Homer Barron. Emily has the motivation and is protected by the unwritten social laws of the time period to get away with murder.