Why We Fight: The Battle of Russia
- Blwyddyn: 1943
- Gwlad: United States of America
- Genre: Documentary, War
- Stiwdio: War Activities Committee of the Motion Pictures Industry, U.S. War Department, U.S. Army Special Service Division
- Allweddair: world war ii
- Cyfarwyddwr: Frank Capra, Anatole Litvak
- Cast: Anthony Veiller, Ion Antonescu, Николай Черкасов, Miklós Horthy, Alfred Jodl, King Boris III