[go] (out|) on (a|) strike

(of a group of employees) to refuse to work as a form of protest or to demand changes to their working conditions, pay, or other employment-related issues

The workers decided to go on strike to demand fair wages.
Going on a strike is a last resort when all other options for resolving disputes have failed.
They went on strike to protest against unsafe working conditions.
Let's hope the negotiations go well and the workers don't have to go on a strike.
She had to adjust her plans when public transportation workers went on strike.