Why We Fight: Prelude to War
- Yıl: 1942
- Ülke: United States of America
- Tür: Belgesel, Savaş
- Stüdyo: War Activities Committee of the Motion Pictures Industry, U.S. War Department
- Anahtar kelime: world war ii
- Yönetmen: Anatole Litvak, Frank Capra
- Oyuncular: Walter Huston, Max Schmeling