Final answer:
The subject of this question is History. Semihistorical narratives are found in ancient epics and myths, providing insights into the history, culture, and values of a society.
Step-by-step explanation:
The subject of this question is History. The student is asking about semihistorical narratives that account for the deeds of heroes, the movements of peoples, and the establishment of local customs. These narratives are often found in ancient epics and myths, and they provide insights into the history, culture, and values of a particular society.