challenge: What was the concern expressed by a former member of the Army Intelligence Service about Elvis Presley in a letter to J. Edgar Hoover?
  
  A. That Elvis's music was too patriotic and could lead to nationalistic fervor
  B. That Elvis's dance moves were too masculine and could lead to aggression in young men
  C. That Elvis's music was too focused on social issues and could lead to protests
  D. That Elvis's actions and motions were arousing the sexual passions of teenage youth
  Answer: 