Complex sentence: Barks had an interest in Klondike and scenes of this story were inspired by old Klondike tales, but this story can be seen as most important for its contribution to the development of Scrooge's personality, and way of thought.
Split into simpler sentences: Barks had an interest in Klondike and scenes of this story were inspired by old Klondike tales. But this story is most important for its contribution to the development of Scrooge's personality, and way of thought.