The upward trend continued after the brief but terrifying firestorm with the Spanish flu, driven by unprecedented declines in infant and childhood mortality, especially among the working-class populations. From 1915 to 1935, infant-mortality charges in America were being Slash in half, one of the most vital declines from the record https://directorytome.com/listings12683434/5-easy-facts-about-culture-of-the-united-states-described