Monnin Family Xmas Gift

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Across
  1. 1. etc. is to etcetera, as vs. is to________
  2. 4. theory stating "the branch of mathematics concerned with the analysis of strategies for dealing with competitive situations where the outcome of a participant's choice of action depends critically on the actions of other participants"
  3. 5. the 17th US state
Down
  1. 2. _______ of the union
  2. 3. college in West Virginia