My daughter is reading Flags of Our Fathers, upon which the Clint Eastwood movie was based. The book was written by James Bradley, whose Navy Corpsman father was one of the six men in that famous photograph of the raising of the flag at Iwo Jima.
In the book Bradley includes a great quote from Yoshikani Taki: "Mothers should negotiate between nations. The mothers of the fighting countries would agree: Stop this killing now."
An alternative: have the politicians who support the wars fight them.