It shares the detail that the war lasted four years.
Explanation:
The first paragraph of The Dark Game best supports the idea that the Civil War was a long war by sharing details that it lasted for about four years.
The author of The Dark Game makes an elaborate and detailed duration of the war which is four years and he also noted that the people did not expect the war to be as long as four years as it brought to them untold hardship and suffering.
Archaeologists often begin their analysis when they return with the artifacts to a safe place, such as a laboratory. It sounds way better like this and it wouldnt sound right with any of the other options.
