For every fighter a woman worker Y.W.C.A. : Back our second line of defense /Buy wall art of this image titled: For every fighter a woman worker Y. W. C. A. : Back our second line of defense , from the World War I Posters Collection by Second Story Prints. Top quality print reproductions available now! Tags Young Women's Christian Association of the U. S. A. Public relations 1910 1920. Women Employment 1910 1920. World War, 1914 1918 Women. Notes Title from item. Promotional goal: U. S. G2. J7. 1918. Promotional goal: U. S.