我们为何而战：分化与征服
原标题: Why We Fight: Divide and Conquer
《我们为何而战》系列第三部《分化与征服 》这一集主要给我们解析了德国进攻欧洲的战略，是如何迅速侵占波兰，击溃法军的。
演员阵容
| 演员 | 角色 |
|---|---|
| Knox Manning | Narrator |
| Murray Alper | Bit Role |
| General Bergeret | Self - in Railway Carriage with Huntziger (archive footage) |
| Monte Blue | Bit Role |
| Karl Brandt | Self (with jubilant Hitler, to his right) (archive footage) |
| Maurice Brierre | Bit Role |
| Winston Churchill | Self - with de Gaulle and Giraud (archive footage) |
| Ann Codee | Bit Role |
| Richard Walther Darré | Self - Speech (archive footage) |
| Charles de Gaulle | Self - with Churchill and FDR (archive footage) |
| Walter Huston | Narrator |
船员
| 角色 | 名称 |
|---|---|
| Director | Anatole Litvak, Frank Capra |
| Producer | Frank Capra, Gordon Hollingshead |
| Writer | Julius J. Epstein, Philip G. Epstein, Roger Q. Denny |