Why was the battle of gettysburg an important turning point in the war?

What’s the answer this this question

Which of the following describes an effect of world war ll on the united states economy

When the novel made its first appearance in the 1700s, why did it appeal to people of all classes? people could identify with the stories of everyday life. people were entertained by reading about the lives of nobles. people preferred stories that were thoughtful, not full of action. people were excited to read about great historical figures.