Answer:
Option C- 'An essay about the rise and fall of the Roman Empire' is an example of expository writing.
Step-by-step explanation:
Expository writing is that which exposes a subject and brings new facts about it to the surface. This type of writing is majorly associated with topics that are partially or fully of historical nature. It takes a good deal of study and research in order to do expository writing about any real, non-fictitious topic.