Why do you think the idea of the American frontier, or "Wild West," became such a popular part of the American identity?

The answer is below

Explanation:

Because Movie studios released various westerns movies at an large, gunfighters were common fare for magazines, while there was some that won various movie awards, such as Emmy. Hence, "Wild West" bacame popular among many Americans, which serves as the roots of American popular culture.

The stories of wild west or American frontiers of a wild west is perceived as the west being an enormous opportunity (which, for many, it was) and a grand adventure, that favors the bold and ambitious.

This led to some kind of national mythology. Even though, it is sometimes inaccurate as it is portrayed or told, however, it entails stories that appeal to the values americans hold and prize in their culture, set in familiar locations.