Question

What advance was necessary before electricity could be widely used? Morse code the power plant the telegraph the transportation revolution

Answer 1

The necessary advance before electricity could be widely used was the **power plant**. While the telegraph and Morse code were significant in the advancements of communication, and the transportation revolution played a role in the overall industrial advancements, the development of power plants made it possible to generate and distribute electricity on a large scale, facilitating its widespread use.