Salt of the Earth

Mexican workers at a zinc mine call a general strike. It is only through the solidarity of the workers, and importantly the indomitable resolve of their wives, mothers, and daughters, that they eventually triumph.

Salt of the Earth is a 1954 drama history movie directed by Herbert J. Biberman, starring Will Geer, David Bauer, Juan Chacón. It holds an IMDb rating of 7.3/10 from 4,548 votes and runs 1h 34m.