What groups promoted the idea of banning alcohol at the turn of the century?

At the turn of the 20th century, the idea of banning alcohol was primarily promoted by groups such as the Women's Christian Temperance Union (WCTU) and the Anti-Saloon League. The WCTU, led by figures like Frances Willard, focused on the moral and social harm of alcohol, particularly its effects on families. The Anti-Saloon League emphasized the public health and safety issues associated with drinking. Together, these organizations played a crucial role in the temperance movement, culminating in the Prohibition era.