Sierra was also one of the first supporters of the theory of [[evolution]] in Mexico, overseeing the publication of the Spanish first translations of [[Charles Darwin]]s books in the country. Sierra liked to compare biologic evolution with Mexico's political and social evolution, and published ''[[The social evolution of the Mexican People]]'', a history of Mexico from a positivist point of view. Sierra opposed the [[social darwinism]] of [[Herbert Spencer]] however. | Sierra was also one of the first supporters of the theory of [[evolution]] in Mexico, overseeing the publication of the Spanish first translations of [[Charles Darwin]]s books in the country. Sierra liked to compare biologic evolution with Mexico's political and social evolution, and published ''[[The social evolution of the Mexican People]]'', a history of Mexico from a positivist point of view. Sierra opposed the [[social darwinism]] of [[Herbert Spencer]] however. |