 Complete the following phrase:  North West Mounted Police is a 1940 American adventure film produced and directed by Cecil B. DeMille and starring Gary Cooper and Madeleine Carroll. Written by Alan Le May, Jesse Lasky Jr., and C. Gardner Sullivan, and based on the 1938 novel The Royal Canadian Mounted Police by R. C. Fetherstonhaugh, the film is about a Texas Ranger who joins forces with the North-West Mounted Police to put down a rebellion in the 