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(1) This social philosophy urged a ruthless "survival of the fittest" ethic, while (2) this social philosophy stressed charitable service to the poor with aid, education, training, etc. while still (3) this social philosophy struck a middle path, demanding that wealthy Americans create the conditions to help the poor help themselves.
What are (1) Social Darwinism, (2) the Social Gospel Movement, and (3) the Gospel of Wealth?