Question

Please help me ASAP. I will up-vote your answer. I would really appreciate it. How did Thomas Edison's invention of the light bulb affect industry?
A. Electric lights made it possible for factories to run after dark.
B. Having better lighting largely eliminated industrial accidents.
C. Bulb manufacturing became the biggest industry in the United States.
D. Brighter lights made people more productive, so they worked fewer hours.

Answer 1

A, electric lights made it possible for factories to run after dark.