Final answer:
The invention of the light bulb contributed to industrial growth in the US by enabling production to continue at night, increasing production and requiring more workers. Correct option is B.
Step-by-step explanation:
The invention of the light bulb, particularly the incandescent light bulb patented by Thomas Edison in 1879, contributed to industrial growth in the US by enabling production to continue at night. Prior to electric lighting, factories were limited to daylight hours, but with the introduction of electric lights, factories could operate 24/7, increasing production and requiring more workers. This increase in production and demand for labor played a significant role in the economic growth of urban centers.