One good organizing topic for the post–Civil War era would be "Reconstruction," since this was the stage that took place immediately after the war, in which the North tried to "Reconstruct" the South in terms of its economy and social structure.
Hope this helps!!
~Lena~
The answer is the first one “the forum”
Answer:
he was an american government who was accused of spying for the Soviet union .He was later convicted of perjury because of this