- United States. War Department. Army Service Forces. Adjutant General's Department
- University of Illinois at Urbana-Champaign, University Library
Poster, color, 20 x 14 in., published by the United States Government Printing Office. During wartime concerns about national security increase, and World War II was no exception. This poster reminds citizens that sharing any military information such as troop movements, or other details could help the enemy sabotage the war effort. World War II. 16 History; 14 Political systems.
- World War II
War posters, American
World War, 1939-1945--Social aspects--United States
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