The metal sheeting that was sealing the window gives way.
'An Episode of War' by Stephen Crane is a story telling the damage of a young lieutenant during war - from the instant the man was shot up until he faced his family. The lieutenant in the civil war can be described here is humble - the best adjective to be used here.
Produce means to make soemthing, but since I can't see the paragraph, I can't fully answer the question, since theres no paragraph to follow it on. Sorry...
