Do your share: The enemy from within is twice as dangerous
An Uncle Sam figure points at the viewer beside a boxed message that the enemy from within is twice as dangerous as the one from without, and asks readers to report all un-American activities to a superior officer or the FBI Director. The tell is the 'twice as dangerous' comparison paired with a direct pointing address, a fear-appeal with an instruction to report.
Propaganda techniques used in this poster
- Date
- 1941
- Period
- Second World War
- Made by
- Appreciate America, Inc. (Chicago)
- Region
- North America
- Country
- United States
- Medium
- Poster
- Issuer type
- Mixed
- Regime
- Roosevelt Administration
- Leader
- Franklin D. Roosevelt
- Audience
- Domestic public
- Purpose
- Warn or inform
- Themes
- Security and surveillance, Home front
- Event
- World War II
- Regime
- Roosevelt administration
- Leader
- Franklin D. Roosevelt
- Source
- Identified Openly sourced: the speaker is who they say they are
- Source
- U.S. National Archives and Records Administration, Record Group 44, World War II Posters, retrieved October 4, 2026
- Rights
- Public domain (U.S. government work)
Appreciate America, Inc. (Chicago). National Archives and Records Administration, RG 44, 44-PA-414G (NAID 513872).
Text on the object
APPRECIATE ★ AMERICA THE ENEMY FROM WITHIN IS TWICE AS DANGEROUS AS THE ONE FROM WITHOUT. REPORT ALL UN- AMERICAN ACTIVITIES TO YOUR SUPERIOR OFFICER OR DIRECTOR OF THE FEDERAL BUREAU OF INVESTIGATION. DO YOUR SHARE RED FOR COURAGE WHITE FOR HONOR BLUE FOR JUSTICE [imprint:] COPYRIGHT 1941 APPRECIATE AMERICA INC., 130 NO. WELLS ST., CHICAGO, ILL. [final digit faint]







