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In page Margery Williams:

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In 1939, as her native Britain entered World War II, Bianco began to include patriotic themes and references to European history in her works, such as 1941's Franzi and Gizi. Her final book, 1944's Forward Commandos!, was an inspirational story of wartime heroism, which included as one of its characters a black soldier. Acknowledging the contribution of African-Americans to the war effort was extremely rare in literary output of the time and that fact was noted in the book's reviews.[citation needed]