Question
Which of these was invented in the Second Industrial Revolution?
A telephone
B steel
C telegraph
D steamboat
A telephone
B steel
C telegraph
D steamboat
Answers
GPT-4o mini
The invention that is most closely associated with the Second Industrial Revolution is the **telephone** (A). While the telegraph (C) and steamboat (D) were developed earlier, during the First Industrial Revolution, steel production techniques, such as the Bessemer process, advanced significantly during the Second Industrial Revolution. However, among the options given, the telephone is the one that distinctly represents a significant invention from that era.