Answer:
D) Production of goods transitioned from homes to factories.
Step-by-step explanation:
It is not C, because that only appeared after jobs that needed more skill was required.
It is not B, because there was a time period named the "Industrial Age", in which nature was not thought of as much until later
It is not A, because that was after the Labor-day Act(?) in which work-days and amount of time each day was instituted.