How did one of the most popular movies in the country–a blockbuster of epic proportions–fuel the rebirth of the Ku Klux Klan? And how, in just a few short years, did the Klan grow from small pockets of state chapters into a national social organization with a membership in the millions? The KKK and the prohibitionists of the 1920s worked hand-in-hand to turn America into a dry, white, Protestant-ruled nation. As booze dried up in towns across the nation, white supremacy began to rise.