Read the excerpt from The Boy Who Harnessed the Wind by William Kamkwamba. News of the machine had spread to the villages, and people were starting to arrive. The traders spotted it from their stalls and packed up their things. The truckers left their vehicles along the roads. Everyone walked into the valley, and now gathered in its shadow. I recognized these faces.

Which phrase or sentence from the excerpt provides a text clue about the story’s context?

News of the machine had spread to the villages. . . .
The truckers left their vehicles along the roads.
Everyone walked into the valley. . . .
The traders spotted it from their stalls.