advertisements, cartoons, seals and buttons. The chambers of commerce, the churches, fraternal societies, schools, were used as channels of distribution. Yet Mr. Creel's effort, to which I have not begun to do justice, did not include Mr. McAdoo's stupendous organization for the Liberty Loans, nor Mr. Hoover's far reaching propaganda about food, nor the campaigns of the Red Cross, the Y. M. C. A., Salvation Army, Knights of Columbus, Jewish Welfare Board, not to mention the independent work of patriotic societies, like the League to Enforce Peace, the League of Free Nations Association, the National Security League, nor the activity of the publicity bureaus of the Allies and of the submerged nationalities.
Probably this is the largest and the most intensive effort to carry quickly a fairly uniform set of ideas to all the people of a nation. The older proselyting worked more slowly, perhaps more surely, but never so inclusively. Now if it required such extreme measures to reach everybody in time of crisis, how open are the more normal channels to men's minds? The Administration was trying, and while the war continued it very largely succeeded, I believe, in creating something that might almost be called one public opinion all over America. But think of the dogged work, the complicated ingenuity, the money and the personnel that were required. Nothing like that exists in time of peace, and as a corollary there are whole sections, there are vast groups, ghettoes, enclaves and classes that hear only vaguely about much that is going on.
They live in grooves, are shut in among their own affairs, barred out of larger affairs, meet few people not of their own sort, read little. Travel and trade, the mails, the wires, and radio, railroads, highways, ships, motor cars, and in the coming generation aeroplanes, are, of course, of the utmost influence on the circulation of ideas. Each of these affects the supply and the quality of information and opinion in a most intricate way. Each is itself affected by technical, by economic, by political conditions. Every time a government relaxes the passport ceremonies or