One of the controversial issues in the American cold war studies still remains problem of public opinion importance for the government in its foreign policies making. Historians try to seek answer on the question: was it really so important for the American government to have people’s support of its foreign policy or it was just trying to have good image of themselves in public opinion, or may be something else? The author of this article makes an attempt to answer this question through domestic information campaigns of 1946-1950 analysis.