Final answer:
The subject of the question is English. The passage references topics such as literature, history, sociology, and the relationship between history and literature, all of which fall under the realm of English.
Step-by-step explanation:
The subject of the question is English. Literature is the study of written works such as poems, novels, and plays, while English encompasses a broader range of language-related topics, including grammar, composition, and literary analysis. The passage references topics such as literature, history, sociology, and the relationship between history and literature, all of which fall under the realm of English.