In 1933, the Oxford Union debating society considered a resolution: “This House will under no circumstances fight for King and Country.” It passed by 275 votes to 153. Apparently, Hitler was told of the passage of his resolution, and it encouraged him to believe that Britain would do nothing to interfere with his depradations. Many other events–in Britain, in France, and in the US–sent similar messages.
Fast-forward to the present. Put yourself in the shoes of Iranian President Mahmoud Ahmadinejad, and consider what conclusions you might draw from recent events in the U.S.