C.<span>African American families divided by slavery were reunited
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A. the president is correct
Sectionalism affected the economis and politics of the U.S by creating a difference in the geography. The south used the slaves to elevate their plantation empire, the north used machines to manufacture clothing deviating from slavery and the west used ranches for livestock.
Answer:
"At Plataea and Mycale (479 bc), Eurymedon (466 bc), and Anapus (415 bc), the Athenians won victories with their flanks resting on seashore, streambed, or uplands. Use of the bow was even more particular to Athens than expertise at either cavalry warfare or flank barriers."
(This Was Sited But I Hope It Could Be Of Some Use!)
D) provide electrical power to poor and rural regions of the U.S.
I believe that would be the answer because this group constructed power plants and dams in the impoverish areas of the U.S. during the Great Depression. (Plus I just answered a question similar to this.. :D)