America's Hidden Weapon (1944) is a Documentary film that follows documentary short film demonstrating the way wartime farming measures in 1943 resulted in the greatest American food crop in history. Preserved by the Academy Film Archive in 2012. America's Hidden Weapon is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 9.0 out of 10 from 1 votes. Fans of documentary movies may also want to explore similar titles below.