In the US? Armed revolt by unionized workers. Blood baths on both sides (labor and hired scabs/private police/paramilitary). Forced bargaining from state and federal governments. If you know where to look, there are little "union" cemeteries dotted across the Eastern and Midwestern US where union folk are buried due to company town cemeteries banning strikers and their families from being buried "in town".
Workers' rights were bought and paid for in blood.
And folks wonder why I oppose gun control.
The Bonus Army. Douglas MacArthur and George S. Patton attacked veterans, their wives, and children with tanks and live ammunition. Similar violence occurred against Occupy Wall Street.
Most people don't remember, or were never taught, that Oklahoma was a bastion of socialist thought and movements until it was obliterated.
Bernie Sanders is a modern day Henry A. Wallace and suffered a similar fate.
Know how the 40 hour work week became a thing, paid time off, etc.? Collective action by workers.
Employee-owned co-ops are actually the fairest structures for workers of all sorts.
If you're not an owner, then you're the product, being cheated, and at the mercy of the corporation to fire or replace you at any time.