In the US? It's an incredibly slow process with a designated separate court system with seperate labor laws. Oh yeah and solidarity strikes are illegal.

https://en.m.wikipedia.org/wiki/Solidarity_action

The police can't be defunded but the US National Labor Relations Board had to resduce it's staff by 50% from 2002 to 2022, with bipartisan support!

https://thehill.com/opinion/congress-blog/civil-rights/37839...