How does the author use foreshadowing to create suspense in The Outsiders?

The author, S.E. Hinton, uses Johnny's fear of the Socs and their violence at the beginning of the story to foreshadow the conflict between the two groups later on. Additionally, hints about the upcoming rumble between the Greasers and the Socs build anticipation and suspense throughout the novel. These elements of foreshadowing keep readers on edge and engaged in the story.