Originally Posted by JemyM
Not recent enough. Violence have gone down for hundreds of years and especially after a society have gone from monoculture to a constitutional democracy there's a great reduction in war. And a reduction matters, even if you promote a zero-tolerance hypothesis.

The US is a constitutional democracy and we've STARTED a whole pile of armed conflicts since the last time another country actually attacked us. Some were legit (first Iraq war, probably Afghanistan) but many were really not (2nd Iraq war, Grenada, Panama).