Trauma happens in relationships, so it can only be healed in relationships. Art can't provide healing. It can be cathartic and therapeutic but a relationship is a three-part journey.
...but this is the real objection to that torrent of modern talk about treating crime as disease, about making prison merely a hygienic environment like a hospital, of healing sin by slow scientific methods. The fallacy of the whole thing is that evil is a matter of active choice whereas disease is not.
Saltwater heals, healing referring to its various forms; tears, cleanses and heals the soul; sweat, cleanses through labor; the ocean, heals in all its forms.
The example of America must be the example not merely of peace because it will not fight, but of peace because peace is the healing and elevating influence of the world, and strife is not. There is such a thing as a man being too proud to fight. There is such a thing as a nation being so right that it does not need to convince others by force that it is right.
What I know for sure is that the only way to endure the quake is to adjust your stance. You can't avoid the daily tremors. Don't fight them. Just find a different way to stand.