WORLD HISTORY

INTER WAR YEARS 1919 TO 1939

THE GREAT DEPRESSION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
All of the following were changing developments in American communication in the1920s EXCEPT
A
the movie industry
B
the building of telegraph lines
C
development of the radio
D
increased availability of telephones
Explanation: 

Detailed explanation-1: -A brief historical overview: The printing press was the big innovation in communications until the telegraph was developed. Printing remained the key format for mass messages for years afterward, but the telegraph allowed instant communication over vast distances for the first time in human history.

Detailed explanation-2: -Inventor Samuel Morse developed the telegraph system. Morse’s system sent out a signal in a series of dots and dashes, each combination representing one letter of the alphabet (“Morse code”). The inventor submitted a patent for his device, which he called “The American Recording Electro-Magnetic Telegraph” in 1837.

Detailed explanation-3: -Newspapers became tools of mass communication in the 1830s with the invention of the rotary press and the application of steam power to printing.

Detailed explanation-4: -The electric telegraph transformed how wars were fought, how money was sent and how newspapers conducted business. Rather than taking weeks to be delivered by horse-and-carriage mail carts, pieces of news could be exchanged between telegraph stations almost instantly.

There is 1 question to complete.