Do you have a list of words that you are supposed to choose from? When I read it a few years ago, the best word to explain what the veil was supposed to symbolically cover was 'sin.'
The correct answer is "It affect the narrator's tone in a piece of writing".
Themes are underlying ideas and have nothing to do with diction and creation of precise images is managed by using vivid and descriptive writing, not with diction.
The speaker's attitude toward war is quite negative. She has experienced the terrible war between America and Vietnam. She has lost the most lovable person of her life due to war.
