'The Salt of the Earth,' made during the height of the post-World War II Red Scare, was blacklisted.

The U.S. is in the midst of a new upsurge of union organizing. Is a Hollywood drama about angry Starbucks baristas or frustrated Amazon warehouse workers far behind?

Hollywood studios and independent producers have long depicted the collective efforts of working people to improve their lives and gain a voice in their workplaces and the larger society.

Originally published on theconversation.com, part of the BLOX Digital Content Exchange.