The answer is A, is it sort of "commoditized" the products made with it, allowing the products to become cheaper and mass produced.
Answer:
The Industrial Revolution changed the world by transforming business, economics, and society. These shifts had major effects on the world and continue to shape it today. Before industrialization, most European countries had economies dominated by farming and artisan crafts such as hand-woven cloth.
As long as the German's were fighting a war on two fronts, they couldnt send the resources they needed to the western front, allowing the allies to make some major pushes into occupied territory.