The conflict between railroad builders and those who profit from older, more vulnerable forms of transport like stagecoaches.
The request likely refers to the , a classic Western starring Randolph Scott and directed by André De Toth . Carson City(1952)
Carson City was part of a series of successful Westerns produced by Warner Bros. in the early 1950s that solidified Randolph Scott as a premier box-office draw. The story follows (Scott), a railroad engineer hired to build a line between Carson City and Virginia City, Nevada. He faces violent opposition from "town boss" types who prefer the lawlessness of the stagecoach era and fear the civilization a railroad brings. 2. Themes and Directorial Style The conflict between railroad builders and those who