What is the fine-grained topic of the following text: These two companies formed an interdependent alliance that welcomed travelers thirsty for a civilized “western experience.” The Harvey Company provided first class food served by friendly “Harvey Girls” on the trains and offered grand accommodations near the stations, and both Fred Harvey and the Santa Fe energetically promoted the Southwest through marketing strategies, including hundreds of postcard images of scenic landscapes and historic cultures in New Mexico and Arizona.Over 285 color images and a clear text offer a brief history of the Santa Fe Railway and the Fred Harvey Company as they promoted Santa Fe, Albuquerque, the Grand Canyon, the region’s Native American cultures, and International expositions outside the Southwest. Only return the topic.
The promotional strategies of the Santa Fe Railway and the Fred Harvey Company in the Southwest.