1931年,爱荷华农民以暴力抵制结核病检测法,导致国民警卫队干预,长期不信任政府任务。 In 1931, Iowa farmers violently resisted a tuberculosis testing law, leading to National Guard intervention and lasting distrust in government mandates.

1931年,锡达州的爱荷华农民抵制一项州法律, 要求奶牛进行牛卵肺结核检测, In 1931, Iowa farmers in Cedar County resisted a state law requiring bovine tuberculosis testing in dairy cows, fearing it would spread disease. 抗议活动演变成暴力, 农民封锁检查员、损坏车辆、投掷残块。 Protests turned violent, with farmers blocking inspectors, damaging vehicles, and hurling debris. 使用催泪瓦斯和戒严法部署了国民警卫队,造成一人受伤,但没有人死亡。 The National Guard was deployed, using tear gas and martial law, resulting in one injury but no deaths. 疫苗接种最终恢复,但对政府任务的不信任持续多年,反映了大萧条期间公共卫生和农村独立之间更广泛的紧张关系。 Vaccination eventually resumed, but distrust of government mandates persisted for years, reflecting broader tensions between public health and rural independence during the Great Depression.