A. pressure groups
B. mass media
C. college and universities
D. peer groups
Correct Answer: Option B
B. mass media
Explanation
Public opinion can be influenced by age, gender, income, hobbies, race, religion, occupation, etc., as well as the economic situation during or concerning a public issue. Public opinion is mostly influenced by mass media which includes television, magazines, radio, and newspapers. This is so because, it reaches a wide range of audience and opinions about government policies and style of leadership is formed based on what is reported by the mass media
