I think the answer is D that’s what I thinkTell me if I’m wrong :::::::):::::::::)
Answer: D. Improvements in production techniques
Explanation:
The 1920s saw an improvement in production techniques that led to the mass production of certain items, chief amongst them the motor vehicle.
People saw the opportunities that mass production could bring and applied it to other products such as radios and the result was a mass production that led to a mass consumption of radio because everybody wanted to own a radio and be connected to the rest of the America and the World.
Answer:
its from the book I had read few years ago
