The study of the supply chains of the Civil War would fall under the scale of microhistory.
Answer: Option 1
Explanation:
Microhistory refers to the history of a region which is comparatively smaller in size and involves a small population of living beings. Another criterion of microhistory is that it is the history of events that happened over a short period of time.
The American Civil War continued only for four consecutive years and only involved the population of a single nation. So, supply chains study of civil war would be microhistory.
