Which organization worked for a Constitutional amendment enforcing prohibition? National Women's Suffrage Association National Association of Colored Women Woman's Christian Temperance Union Seneca Falls Convention

The correct answer is:

Woman's Christian Temperance Union.

The Woman's Christian Temperance Union (WCTU) is an international organization, highly influential in the temperance movement, a social campaign against the consumption of alcoholic beverages.

They supported the 18th Amendment, which established the prohibition of intoxicating liquors in the United States, proposed by Congress in 1917, ratified 1919, and repealed by the Twenty-first Amendment in 1933.