Question

What was the impact of the invention and distribution of radio in the early twentieth century?
A.It reached the first truly mass media audiences.
B.It improved commercial marketing for advertisers.
C.It proved problematic in that enemy nations could monitor American transmissions.
D.It exposed an income gap in that most Americans could not afford the device.
E.It was a nice invention but was overshadowed by the power of the printed media.

Answer

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