Which of these would best describe an immediate effect of the invention and mass production of the light bulb? a) time became standardized b) agriculture worked longer hours c) railroad companies expanded routes d) longer factory hours for all workers

D.), because that allowed factory workers to work night shifts as well. It's not A.), because that happened during the first Industrial Revolution came about and trains became widespread. B.) doesn't make sense, because you really can only harvest in the daylight, and there's nowhere to put a light bulb. C.) is more of an effect of D.)

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They most like influence us an there self