Answer: The war is ruthless and took away the things most important to the identity and happiness of both men.
Step-by-step explanation:
Your question isn't complete as you didn't provide the excerpt where the question came from. I searched online and got the excerpt which has been added in the comments section.
Irony refers to the expression of one's meaning through the use of a language
or words which signifies the opposite. The irony in the excerpts convey that the war is ruthless and took away the things most important to the identity and happiness of both men.