Well, if we are talking about the black death? A reaction that they did was they all went into hiding because they thought that the black death was an angel or something targeting certain families, they were right it was something but it was just a virus that almost killed an entire country!!
I believe the answer is going to be c
An economic downturn.
http://factsanddetails.com/russia/History/sub9_1f/entry-4990.html
The Soviet Union turned a rural, agrarian society into one of the largest economic powerhouses in the world. The breakup greatly effected it.
Explanation:
the Confederate Victory gives us off a surge of confidence and shocked many in the north who realized the war would not be one as easily as they had hoped
