États-Unis dans la Première Guerre mondiale
In July 1917 Kane joined an effort organized by William A. Brady, President of the National Association of the Motion Picture Industry, and D.W. Griffith. Their task was to utilize film as a tool of information regarding the "plans and purposes" of the United States in World War I. Brady was appointed by President Woodrow Wilson to mobilize the motion-picture industry. Kane was assigned to the Food Commission. In addition to Mutual she was associated with Metro Pictures, Pathé, and World. Kane filed a suit against Mutual in 1918, asking $33,500 for alleged breach of contract.