James Madison wrote about the “degeneracy of morals and manners” that happens when a country engages in war.
He was talking about the war profiteering and the accompanying fraud, but there is a far more sinister degeneration of morals that happens during war.
For Further Reading
James Madison on War as a Great Threat to Liberty
The Government Spent Over $300 Million a Day for 20 Years on Unconstitutional Afghanistan War