They discover that the world they know has changed. One member of the party stepped on a butterfly while on the trip, which alters the course of evolutionary history
In "A Sound of Thunder," the men discover that their actions during their time travel have drastically altered their present world, affecting the environment, politics, and overall atmosphere. Key changes include a new political leader and a somber environment marked by the absence of familiar sounds of nature. The story highlights the significant consequences of their seemingly insignificant choices in the past.
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