Check six boxes of the "opinion makers" that affect Americans.

newspapers

A. movies

B. magazines

C. propaganda

D. dictionaries

E. television

F. radio

G. newspapers

Based on the given options above, the six items that would be classified as "opinion makers" that influence American newspapers are the following: magazines, propaganda, television, radio, newspapers, and movies. The answers would be options A, B, C, E, F, and G. Hope this answers your question.