The United States and the War by Gilbert Murray

It is dangerous to comment too freely on the psychology of foreign nations. I knew a man who held the opinion that Americans cared for only three things in the world -- comfort, money, and safety -- objects which notoriously inspire aversion in the normal Briton. And he explained this view at some length to two young Americans, one of whom had been working fourteen hours a day at the relief of distress in Belgium, while the other, with a sad disregard for truth and the feelings of his parents, had passed himself off as a Canadian in order to fight in the British Army.

I know another man, an American man of letters, who went off at his own expense at the time of the German advance in Poland to help the Polish refugees. He worked for months on end among people starving and dying of typhus, often going without food himself and entirely abstaining from some of the most ordinary comforts of life. When I last met him he had seen a thousand people dead around him at one time. He was then on his way back to continue his work, and I felt some nervousness on hearing he was to pass through England. I have an inward feeling that someone at this moment is explaining to him that Americans ask no questions about the war except how much money they can make out of it, and the one thing you can be sure of about a Yank is that he will be too proud to fight.