challenge: What was the relationship between the case of Abbate v. United States and Bartkus v. Illinois?
  
  A. The two cases had no relation to each other
  B. Abbate v. United States was an appeal of the Bartkus v. Illinois decision
  C. Abbate v. United States was a federal case, while Bartkus v. Illinois was a state case
  D. Both cases were decided on the same day and involved similar facts but with the order of convictions reversed
  Answer: 