Following World War II, the committee received its ultimate title and began organizing public demonstrations of Japanese American loyalty.
A number of its members also volunteered for the Foreign Language Division of the Office of War Information as translators or writers.
In 1944 the JACD joined the Communist-sponsored National Negro Congress in a fall rally to support the reelection of President Franklin Roosevelt.
The newsletter promoted rallies, cultural and political events and reported on issues such as "Nisei in the Army" and democracy in postwar Japan.
[6] Galen Fisher, of the Committee on National Security and Fair Play, resigned from JACD's advisory board because he disagreed with its "fundamental policy of accepting the evacuation without reservation or right to criticism.