The income level of which group declined throughout the 1920s?
a. automobile workers
b. communication workers
c. stockholders
d. farmers

The correct answer for the question that is being presented above is this one: "b. communication workers." The income level of communication worker declined throughout the 1920s. In the 1920s, this is the time during the World War I where the communication workers and their services are greatly affected.

Answergamma-rays

Ithink the answer is bhope this !