Final answer:
Television is the medium that can affect the message of a news story by providing it with context through moving images.
Step-by-step explanation:
The medium that can affect the message of a news story by providing it with context through moving images is Television. Television news broadcasts often use visual elements such as videos, images, and graphics to provide a more comprehensive understanding of the story. These moving images help viewers grasp the visual details and nuances that may not be effectively conveyed through other mediums like radio, newspaper, or magazines. For example, news footage of a protest or a natural disaster can evoke emotions and provide a vivid sense of the event.
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