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For blacks and whites before the Civil War, which of the following best describes infant mortality rates (i.e. the fraction of children who die within one year of birth)?No main characters died in Civil War, but one black character was paralyzed and the father of another black character diedBlack and white infant mortality rates were about the same and similar to what we see today in poor countriesBlack infant mortality rates were similar to what we see today in poor countries, while white infant mortality rates were similar to what we see today in middle-income countriesWhite infant mortality rates were higher than anything we see today, and black infant mortality rates were twice as high as that

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