Respuesta :
The correct answer is B.
A newspaper artcile that was written a day after the historical event would be a perfect secondary source for the study of history.
This article would provide the views of people during the time the event occurred. It would have details and information that may otherwise be unkown about the event, and it would likely have a photo of the event, which would help understand the whole story.
Answer:
C) an academic analysis of key battlefield strategies
Explanation:
The remaining 3 are primary sources, while the third is a secondary source due to the fact that it is already analyzed and presents quotes by someone, not a direct description of the occurrence or anything similar.