Question

question 4 of 10
which technological innovation of the 1920s allowed a wide range of consumer goods to be produced more efficiently?
a. the assembly line
b. the radio
c. the telephone
d. the automobile

Explanation:

The assembly line, refined in the 1920s (notably by Henry Ford for automobiles), enabled mass production of a wide variety of consumer goods by streamlining production into sequential, specialized tasks, drastically increasing efficiency. Radios, telephones, and automobiles were either invented earlier (telephone) or were products made more efficiently by the assembly line, rather than being the innovation that enabled broader efficient production.

Answer:

A. The assembly line