political drama films American black-and-white films American independent films American political drama films Censored films Crystal Globe winners Film censorship in the United States Film controversies in the United States Films about the labor movement Films directed by Herbert Biberman Films scored by Sol Kaplan Films set in mining communities Films set in New Mexico Films shot in New Mexico Films with screenplays by Michael Wilson (writer) History of labor relations in the United States McCarthyism Films about Mexican Americans Films about mining Social realism in film 1950s Spanish-language films United States National Film Registry films 1954 drama films 1950s English-language films 1950s American films