During the 1940s, the U.S. federal government promoted home canning as a way for families to supplement food resources during World War II rationing.
Notes on verification
Well-documented by NPS, National Archives, and USDA sources; consistent with widely known WWII home front history involving Victory Gardens and rationing campaigns. [tier=silver indep_score=0.539 clusters=3 claim_tier=everyday]
Sources
- The History and Future of Dietary Guidance in America - PMC (seed:food_and_diet)
- https://www.nps.gov/articles/000/wwii-victory-gardens.htm (corroboration)
- https://www.archives.gov/education/lessons/wwii-agriculture (corroboration)
- https://www.usda.gov/media/blog/2018/05/09/victory-gardens-and-food-rationing-during-world-war-ii (corroboration)