So great was the terror of World War One trench combat that the Frenchmen serving in those forward positions (and others who were simply overcome with life in the military) began to post personal ads in French newspapers, volunteering to marry widows and divorcees with large families in order to be absolved of all military duty.
Read what the U.S. Army psychologists had to say about courage.
More articles about W.W. I trench warfare can be read here.
