Very few people who relax on their day off realise that this holiday is the outcome of a long struggle by workers. That the work-day should not exceed eight hours, that men and women should be paid equally for doing the same work, that workers are entitled to social security and pension, has not come about automatically.
_______________________ have shaped the world we live in and continue to do so.
a) Social movements
b) dialogue
c) public conference
d) confrontation
