"There was always, therefore, a certain amount of friction between the Americans and the Spanish, which would seem to be a paradox when you consider that these Americans had abandoned everything in life to come to the assistance of the Spanish people. But a small, persisting snobbism on the part of the Americans, and a residue of distrust on the part of the Spanish (few clearly understood the issues at stake), contributed to the persistence of this friction. (Franco's propaganda also helped.)"