[DoodleDawg]

More like the Confederates were willing to accept heavy casualities because they were fighting to protect their lands and homes for crikes sake.

Then what explains the Union acceptance?

[ExpatGator]

An overpowering sense of moral righteousness. I am not saying that I agree with their righteousness, but it seems to be a motivator.
I have possessed a pallet full of bound Yankee newspapers encompassing the years 1860-1865. They were New York and Philly papers. Still have a few bound books. The propaganda is blatant, moralistic and righteously indignant.