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Which of these technological advances had the least direct effect on economic growth in the U.S.?

A)
The incandescent light bulb


B)
The assembly line


C)
The diesel engine


D)
The telegraph

2 Answers

1 vote

Answer D the telegraph

Step-by-step explanation:

Just did on usatestprep

answered
User Mekki MacAulay
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2 votes

Answer: D: The telegraph

Step-by-step explanation:

The telegraph, though it definitely added to the possibilities for economic growth, did not lead to as many immediate applications to industrialization as the other three choices.

answered
User Kapoko
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