It should be noted that the primary purpose of the story is to give the author's opinion about the violence of the Vietnam War.
The central idea in a story simply means the main idea that's in a story. It's simply what the author wants the readers to know in a story.
From the complete information, the primary purpose of the story is to give the author's opinion about the violence of the Vietnam War. The author simply gave his perspective about the war.
Learn more about central ideas on:
https://brainly.com/question/2684713