trusted confederate might be a secret operative who was watching his every action. Though it never had more than 400 active agents (this does not include, of course, the enormous number of volunteer operatives recruited from the workers themselves), the section extended its protection to more than 37,000 manufacturing plants, and, during the period of its war-time operations, made upward of 270,000 recommendations for arrests, investigations, and prosecutions, or for further plant protection. Agents of the Plant Protection Section succeeded in gaining admission to the innermost councils of the I. W. W. and kindred organizations, and, by thus obtaining advance notice of any contemplated action, were successful in averting strikes and labor troubles which would have caused the loss of millions of dollars, and, through halting the flow of munitions to the front, the loss of thousands of American lives. The success of the section in this phase of its work was due, first, as I have already explained, to its ability to obtain advance information of impending trouble, and, secondly, to the fact that the agents of the section were in a position to handle a delicate labor situation in an absolutely impartial manner, taking no sides and inspiring the confidence of both employers and employees. Thus it came about that the section was frequently able to compose differences between capital and labor when other arbitrators, who did not so completely hold the confidence of both parties to the dispute, failed. After the Armistice the activities of the section consisted, in the main, in protecting the government against fraudulent claims presented by manufacturers and in guarding the great plants and warehouses which were abandoned upon the cancellation of war contracts. In one case the section obtained and prepared evidence for a grand jury which so conclusively showed fraud on the part of certain manufacturers holding government contracts, that another concern, which had already presented claims amounting to $600,000, upon learning that they were being investigated by agents of the section, hurriedly withdrew them. Another example of the efficiency which characterized the work of the section is illustrated by the case of a concern engaged in the manufacture of shells, the evidence presented by the section resulting in the indictment of the president and ten other officials of the company for submitting shells to the government for inspection under fraudulent circumstances. * * * * * The difficult, perplexing, and highly delicate work connected with the various phases of the censorship was intrusted to the Tenth Section of Military Intelligence, a number of subsections being established for the censorship of mail matter, telegraphs and telephones, radio, books and permanent literature, foreign-language newspapers, religious and pacifist publications, photographs, motion-pictures, and mail to or from prisoners of war.