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The quota for immigrants entering the U.S. was set at 2% percent of the total of any nation`s residents in the U.S. as reported in the 1890 census.

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Scientific Racism is an attempt to co-opt the authority of science to justify racial prejudice.

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Scientific Racism is an attempt to co-opt the authority of science to justify racial prejudice.

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Sterilization is a permanent method of birth control. Sterilization procedures for women are called tubal occlusion. The procedure for men is called vasectomy.

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The policy of protecting the interestsof native inhaitants against those of immigrants

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belief that the process of natural selection acting on variations in the population would result in the survival of the best competitors and in continuing improvement in the population.

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Darwinism vs. Social Darwinism part 1 | US History | Khan Academy

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the science of improving a human population by controlled breeding to increase the occurrence of desirable heritable characteristics