Too late to edit, so just to add: I'm well aware that the US is huge, regional, and diverse. The aggregate figures cover over much of importance, which makes it

Too late to edit, so just to add: I'm well aware that the US is huge, regional, and diverse. The aggregate figures cover over much of importance, which makes it hard to compare as a whole to other individual nations. There are of course American communities as peaceable as anywhere else in the world.