The Birth of a Nation became the country’s most popular film. The Klan, which by 1915 had become defunct, was relaunched. Its recruiters used the film to draw in millions of members. Five months later, Wilson virtually reenacted the plot of The Birth of a Nation by sending the marines to the black republic of Haiti to wrest control from the “unstable” government. The occupation lasted through the rest of Wilson’s presidency—and didn’t end until 1934.