Social Darwinism was most likely applied to treat immigrants from different regions differently, however, Social Darwinism does not specifically relate to immigrants but also to all members of society. In the American context, the notion was implemented to popularize the notion of "survival of the fittest" or that the strongest members of a society will succeed and the political system should support this theory.
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The correct answer is elaboration
Term used in psychoanalysis and clinical psychology and which is a fundamental function of the psyche. This function is characterized by the psychic capacity that allows to face the tensions caused by the modifications existing in the environment, or by the modifications that occur in the individual.
The answer should be Russia.