Question

what feature did radio in the 1920s offer that other inventions did not offer?
people could listen to music in real time.
people could get news from other countries 24 hours a day.
people could communicate with other people.
people could stay home and listen to talkies.

Explanation:

Before 1920s radio, other inventions like telegraph/telephone allowed communication, print media gave news, and phonographs played pre-recorded music, but none enabled real-time, at-home access to live music. Radio's unique 1920s feature was real-time music listening.

Answer:

A. People could listen to music in real time.