Wikipedia
Man Power (film)
For the 1941 film with Edward G. Robinson, Marlene Dietrich and George Raft, see Manpower
Man Power is a lost 1927 American comedy silent film directed by Clarence G. Badger and written by Ray Harris, Louise Long, George Marion Jr., Sam Mintz and Byron Morgan. The film stars Richard Dix and features Mary Brian, Philip Strange, Charles Hill Mailes, Oscar Smith and George Irving. The film was released on July 9, 1927, by Paramount Pictures.
Usage examples of "man power".
Once it was a rich and thriving agricultural country, but as it fell beneath the curse of Tul Axtar's mad ambition for man power, the population grew to such enormous proportions that U-Gor could not support its people.