Final answer:
The six boxes of "opinion makers" that affect Americans are newspapers, movies, magazines, propaganda, television, and radio.
Step-by-step explanation:
The six boxes of "opinion makers" that affect Americans are:
- Newspapers
- Movies
- Magazines
- Propaganda
- Television
- Radio
These sources of media can shape people's opinions on various topics and influence their political preferences and evaluations. For example, studies have shown that the media can have a particularly strong influence on opinions regarding international affairs or issues with which individuals have minimal personal experience.