challenge: What was the primary purpose of the 'Harry and Louise' television advertising campaign?
  
  A. To oppose the Clinton health care plan of 1993 and Congressional health care reform proposals in 1994
  B. To promote the Clinton health care plan of 1993
  C. To express support for Congressional health care reform proposals in 1994
  D. To raise awareness about the importance of health insurance for low-income families
  Answer: 