Final answer:
Beloved's supernatural influence is shown through the profound psychological and emotional effects on the occupants of 124 Bluestone Rd., blending past trauma with otherworldly manifestations.
Step-by-step explanation:
Beloved's supernatural hold over the members of 124 Bluestone Rd. is demonstrated through her impact on their emotions, behaviors, and very perceptions of reality. Each character experiences a unique and profound interaction with Beloved that suggests a connection beyond the physical world, shaped by the psychological and spiritual marks of the house's tragic past. These interactions show a blend of psychological and supernatural elements, causing an environment where past grievances and emotions seem to manifest in vivid and ethereal ways.