This John Nesbitt's Passing Parade short looks at how a few specific inventions made a major contribution to the U.S. war effort.
| Title | Trifles That Win Wars |
|---|---|
| Release Date | 1943-07-17 |
| Runtime | |
| Genres | |
| Production Companies | Metro-Goldwyn-Mayer |
| Production Countries | United States of America |
