Which of the following best explains the success of early nineteenth-century temperance crusaders in reducing Americans' consumption of intoxicating liquor?
Prohibition laws that reformers succeeded in getting passed.
High liquor taxes that reformers persuaded the federal government to impose.
Dramatic and entertaining temperance lecturers, combined with a growing realization among Americans that cultivating sobriety and hard work could have material rewards.
Voluntary reductions in the production of intoxicating liquor by brewers and distillers, combined with steeply rising prices of available liquor.