Based on historical perspective, the American dream of rising from "rags to riches" was reflected in the books of Horatio Alger Jr.
Horatio Alger Jr. was a famous American writer, who was known for his books or writing that is constantly characterized the idea of the "rags-to-riches" narrative.
Horatio Alger Jr., books had a more significant influence on the United States around the period known as the Gilded Age.
Hence, in this case, it is concluded that the correct answer is Horatio Alger Jr.
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