Foreshadowing is a hint or clue to what will happen later in the story. Based on the conversation between Eckels and Travis, what is the author foreshadowing will happen?

Based on the short story "A Sound Of Thunder" by Ray Bradbury

Each warning to Eckels foreshadows the same thing. They foreshadow that Eckels is going to get scared and ruin the present/future. The first warning to Eckels is that the trip is dangerous. It's so dangerous, he might not come back alive.

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