The open conflict heightened concern about possible violence on Tuesday, when a strike protesting independence is supposed to take place.

In addition, different unions or groups may organize strikes to protest an emerging issue or government policy.

The prison was closed in 1972 after a strike by prison guards protesting unsafe working conditions.

February 19 - A general strike in Shanghai protests the presence of British troops.

Brazilian truckers plan a one-week nationwide strike, starting tomorrow, to protest what they see as unfair treatment by Government authorities.

A general strike in Shanghai protesting British presence.

There were forty-eight strikes in the public sector alone in 1990, protesting the government's economic austerity program and layoffs of public-sector workers.

Solidarity, which originated as a union movement and evolved into a political organization, no longer calls strikes to protest that one group of workers earns less than another.

In 1920, he helped to organize, a general strike in Zaragoza to protest the assassination of Francesc Layret.

In Tunisia on Feb. 25 a general strike at university campuses protested against the outbreak of the ground war; pacifist rallies were held by several thousand students.