<span>The Jungle and the Progressive Era. The publication of Upton Sinclair's 1906 novel The Jungle produced an immediate and powerful effect on Americans and on federal policy, but Sinclair had hoped to achieve a very different result.</span>
Answer:
relating to or denoting the generation of electricity using flowing water (typically from a reservoir held behind a dam or other barrier) to drive a turbine that powers a generator.
Explanation:
so D water power
The correct answer is "Commas".