Final answer:
While 'Salt of the Earth' faced significant opposition limiting its immediate influence, its unique approach and progressive themes challenged Hollywood norms and laid the groundwork for more diverse and inclusive filmmaking, seen in later successes like 'Black Panther'.
Step-by-step explanation:
The claim that 'Salt of the Earth' failed to significantly impact Hollywood's framework of the social problem film or provide a template for subsequent progressive filmmaking is a debatable assertion. This opinion may overlook the trailblazing aspects of the film. Unlike typical Hollywood productions, 'Salt of the Earth' was marked by a distinct approach to storytelling and production, featuring non-professional actors and a focus on labor rights and feminism. It faced significant opposition from the Hollywood establishment and the U.S. government which seemed to confine its immediate influence. Nonetheless, it authentically portrayed the struggles of a New Mexican mining community, which was a progressive move away from the more escapist trends in film during that era, offering a more community-centered narrative akin to what John Ford explored in 'The Grapes of Wrath'.
Though 'Salt of the Earth' may have not been widely acclaimed as a model for progressive cinema at its time, its influence can be slowly recognized in later years. The film challenged stereotypical narratives and the dominance of White male perspectives in filmmaking. This can be contrasted to modern successes like 'Black Panther' which also challenge longstanding Hollywood norms and resonate with audiences seeking more diverse and inclusive stories. 'Salt of the Earth' symbolized an early, albeit marginalized, effort to produce films that were socially relevant and reflective of the diversity of American experiences.