Read Ch. 17. 1. Recreate this chart on page ____ Read Ch.17.1. Recreate this chart on page ____. Explain how each category prepared America for a world war. How did America mobilize for defense? Selective Service System… WAAC: labor’s contributions: OPA WPB OSRD: Industries converted to… Then, on page _____, answer the following questions in complete sentences: How did the roles of women in American society change over the course of WWII? How did the role of African‐Americans and Mexican‐Americans change during WWII?