The best option from the list would be that "<span>A. A factory dumps its industrial waste into a river that serves as a source of drinking water for a nearby town," since a main goal of the Progressives was to expose the negative societal impacts large corporations had in the US. </span>
The correct answer is contraband! xoxo
Hey You!
The correct answer to your question is: Stated that freed slaves could join the U.S Military.
(This is because an estimated 180,000 freed slaves joined the military, and about 18,000 joined the navy).
And that's your answer! ^
The only option that is not generally a reason why historians study societal change would be "<span>d. to estimate how long it would take to build a road system," since this requires a separate type of research. </span>
