Human nature- human nature is very closely related to both pride and prejudice, (prejudice when broken down is related to bias and judgement), which- again- are related to human nature. marriage COULD be related to human nature, but it would be very hard to relate. Human nature is often related as a theme because it's tied to many themes- just a little less straightforward than most themes. Hope this helps!
The answers that contain a relative pronoun is B and D.
Neoclassicism was a period of examining society, past and present. Though both periods analyzed the world to an extent, Neoclassicism was more focused on logic and reason than the Romanticism Era, which was inclined towards feelings and personal experiences. Because of this, the Neoclassicism Era could be considered more inclined toward analysis in their exploration of the world. Hope this helps!
Answer: Neoclassicism (NC)