The correct answer would be D) Midwest.
Periodization is the division of time into periods that show some kind of characteristics, to facilitate the study of history. An example of periodization is distinguishing the Dark Ages as a period.
Among the options periodization is visible in b. dividing China's history based on which dynasty ruled the country.
Answer: A speech
Explanation:
It's a speech because it involves a prepared message an audience and a message for them to decode, it could be on any subject matter, the subject matter is to be understood, that is the purpose to be achieved
