Final answer:
The form of informational writing that explains events or periods of the past is known as historical texts. They provide a chronological narrative of past events and are categorized as 'C. Historical texts' in the provided options.
Step-by-step explanation:
The form of informational writing that explains events or periods of the past is known as historical texts.
This type of writing is essential for understanding how narratives of the past are crafted by historians who make choices about what to include, how to organize materials, and how to present them to make sense of history. Historical texts often use a chronological order to discuss events, creating a timeline that helps readers understand the sequence and impact of historical happenings.
Understanding the past through historical texts is not just about listing events; it's about analyzing the meaning and connections between them. Therefore, the correct option in the provided choices is 'C. Historical texts'.