Germany and Austria-Hungary were both affected negatively. Germany had to get tod of their air force and cut their armies down to just 100,000 men, and both Germany and Austria-Hungary, already in debt, had to pay America for the war with money that they didn't have.
Hope this helps!
I would go for A because the Union had 200,000 more soldiers than the confederacy.
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C. It is by FAR the largest country in the world, regarding land mass. Canada is a close second. :)
It would take about 25 minutes because 5•4 is 20 and each time around is 6 minutes.