Final answer:
In 'The Black Cat', the narrator was known for his tender nature in his youth, a notable contrast to his later actions in the story.
Step-by-step explanation:
In the story The Black Cat by Edgar Allan Poe, the narrator was known for his tender nature in his youth. This is a factual detail that can be ascertained from the beginning of the story, where the narrator reflects on his gentle childhood and his affinity for animals. As the story progresses, we witness a dramatic change in the narrator's disposition due to various factors including alcohol, leading to the more sinister events of the tale.