When asking a question about a war, please include the NAME of the war in your question.
The Russian Empire
France
I'm not so sure about this. But I'm sure that most of men who enlisted to the war were farm boys or country boys.
The German, they were the leaders of Spain etc. and when they lost to many men they lost!
The North had more men, and they consequently lost more.
In the US Civil War, since the North lost more men than the South did, and New York had the most men...probably New York lost the most men.
spain
Hawaii
north
North
Germany
Stalingrad