It’s not hard to understand the fervor with which early twentieth-century social reformers approached the question “What to eat?” Cholera, botulism, typhoid, and other food-borne diseases killed in large numbers across class and race lines. And while historians disagree whether America’s food supply actually grew more dangerous as it industrialized after the Civil War, one thing is clear: starting in the 1870s, Americans strongly believed that their food system was getting less safe.