Mostly farming, lumbering, fishing, trading,etc. This required cheap labor, or slaves. They were required for the heavy work to be done quickly by demand.
Answer:
The correct answer is: A) It contributed to a depletion of water sources
Explanation:
Mechanized Farming was widely introduced with the industrial revolution. This major change in the production made the work so much easier and faster. These conditions lead to a fast increase of the production and request of products, which required an immense amount of water.