Answer: during the war, the people of the country had many experiences that are not pleasing, this made them to ask questions that no one would know. The war had negative effects on the people including people who wrote. at the end of the war, authors commonly began to put their war experience into writing and these radically change the style, form and the thematic discourse that were the characteristics of American literature.
Step-by-step explanation:
sorry i answered late. i didn't write this in my own words, i edited this paragraph from the user "mabhigya" so credits goo to he/her.