Final answer:
Jonathan Harker's internal conflict in 'Dracula' deals with his fear and doubt during his stay at Dracula's castle and his struggle to discern and confront the evil he encounters.
Step-by-step explanation:
Jonathan Harker's internal conflict in Dracula concerns his mental and moral struggles. Throughout the novel, Harker is tormented by fear and doubt, especially during his time at Dracula's castle, where he is unsure of his senses and struggles to understand the reality of the supernatural occurrences he witnesses. This leads to a deeper conflict regarding his understanding of good versus evil, and what he must do to confront and defeat Count Dracula. Additionally, Harker's internal battle mirrors the larger theme of how the seemingly respectable exterior of society can conceal monstrous elements, a reflection of Victorian society explored in other literature of the era, such as 'Jekyll and Hyde'.