Our modern weapons are far more destructive, but our propensity for violence and war seems to be an invariant across the millennia.
Well: https://en.wikipedia.org/wiki/War_Is_a_Racket
From 1935. And he was not the first one to point that out either.
I actually think that thanks to the internet, we expose many more criminal build ups towards warfare nowadays than before.
War… war never changes.