Why did miller decide to let the german soldier go free?

Captain John H. Miller was an assertive but esteemed leader in the army. Though he showed toughness on the outside, Captain Miller also tends to hide his vulnerable side when he privately cried loosing a medic due to a rare error. This then, tends to explain why he released the held captive German soldier. 

You look through the lens

The term collage was coined by both  georges braque  and  pablo picasso  in the beginning of the 20th century when collage became a distinctive part of modern art.hope this sorry if there wasn't more of an explanation!