challenge: What inspired Deborah Shaffer to suggest making a film about the Wobblies?
  
  A. A conversation with Stewart Bird about the labor movement
  B. Reading a book about the history of the IWW
  C. Attending a performance of the play The Wobblies: The U.S. vs. Wm. D. Haywood, et al
  D. Meeting with IWW organizers in New York City
  Answer: 