railroad expansion

His epic films like 'The Bridge on the River Kwai' and 'Lawrence of Arabia' explore how industrial expansion and railroad infrastructure reshape landscapes and human relationships during imperial periods.

His Spaghetti Western masterpieces directly engage with railroad expansion as a symbol of civilization's encroachment on the American frontier and its violent consequences for traditional ways of life.

Throughout his career, particularly in films like 'The Iron Horse' and 'My Darling Clementine,' Ford examined railroad expansion as a transformative force that defined the American West and its mythology.