Radio programs.
One example would be <em>Lux Radio Theater, </em>sponsored by Lux, a brand of soap. The <em>Jack Benny Show </em>featured ads from its sponsor, Jell-O. Advertising agencies worked to target sponsorship and ads at the target audience of the programs.
Television, by the way, was just beginning in the late 1920s and didn't really become a dominant media until after World War II.
I think that the answer is D, to create railroad networks that spanned the entire country
#1 would be C.
#2 would be B.
Good luck :D
The DLFF
<span>Multiparty system is beneficial to promoting the public good in four major ways. 1.A two-party system gives information in a way that is easy to understand and convenient to consume.
2. Two-party systems represent a larger variety of views and opinions.
3. Two-party systems discourage rapid shifts in political trends and climate.
4. Two-party systems encourage more political participation due to the ability to represent multiple opinions.</span>
