Question

help

Answer 1

@Shadow

Answer 2

I'm not sure what time period or country the question is talking about, but I'll assume the United States in the mid-1900s?
If that's the case, I'd say all of the above. Telephone, movies, and radio helped to unify the nation and form a sense of national identity.

Answer 3

1920s

Answer 4

Ok, I see. All those technologies still existed at the time, so I'll stand by what I said.