how is the third paragraph an example of realistic writing or writing that tries to portray life accurately?

Question

as the wounded officer passed from the line of battle he was enabled to see many things which as a participant in the fight were unknown to him. he saw a eneral on a black horse gazing over the lines of blue infantry at the green woods which veiled his horse suddenly to a halt saluted and presented a paper it was for a wonder precisely like a historical painting

Answer 1

It is painting a vivid picture with words of what happened. It's like the reader is "witness" to the writer's words...