Enjoy Aimee Lucido's "War! (Huh) What Is It Good For? Nifty New Inventions", attached. The difficulty is 3/5. Good clean clever fun from Aimee, as always. Next week, I'll tell you about an interesting new book that relates to one of the theme answers. Aimee was amazed that it exists.
By the by, past AV Club puzzles are available at http://www.avxword.com/puzzles/archive/default.htm . Each bundle of (approximately) 52 puzzles is just $8, and the catalog dates back to 2006, when we first started running in The Onion.
-Ben and the AVCX crew [avxwords.com]