Why did horatio algers stories reflect the doctrines of social darwinism?

Horatio Alger's stories reflected the doctrines of Social Darwinism because they emphasized individual merit, hard work, and perseverance as the keys to success. This aligned with the belief in natural selection and survival of the fittest, where those who were industrious and ambitious would rise to the top of society. Alger's stories promoted the idea that individuals could improve their social standing through personal effort and determination, which resonated with the principles of Social Darwinism.