Supporters of the temperance movement advocated for change primarily because why? they believed drinking was the most important cause of society's problems. Studies had proven that increased drinking led to increased child labor. Drinking alcohol was considered a sin in every Christian religion.

Supporters of the temperance movement advocated for Prohibition mainly because they believed drinking was the most important cause of society's problems.

The temperance movement, formed primarily by Christian denominations, had spread the idea that alcohol was the major cause of the problems that American society was facing. They blamed alcohol for the increasing rate of crime, poverty, violence and the spreading of illnesses. For this reason, they became the main promoters of the Prohibition Act.