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Rh placed that within wide limits it can control what the public will perceive. It controls the selection of correspondents who go to the front, controls their movements at the front, reads and censors their messages from the front, and operates the wires. The Government behind the army by its command of cables and passports, mails and custom houses and blockades increases the control. It emphasizes it by legal power over publishers, over public meetings, and by its secret service. But in the case of an army the control is far from perfect. There is always the enemy's communiqué, which in these days of wireless cannot be kept away from neutrals. Above all there is the talk of the soldiers, which blows back from the front, and is spread about when they are on leave. An army is an unwieldy thing. And that is why the naval and diplomatic censorship is almost always much more complete. Fewer people know what is going on, and their acts are more easily supervised.

Without some form of censorship, propaganda in the strict sense of the word is impossible. In order to conduct a propaganda there must be some barrier between the public and the event. Access to the real environment must be limited, before anyone can create a pseudo-environment that he thinks wise or desirable. For while people who have direct access can misconceive what they see, no one else can decide