Word of the Day : Strike

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anglais facile strike mot du jour

More examples:
Strike can be a verb:

The air traffic controllers are striking today

More common is to go on strike

The workers didn’t agree with the decision so they went on strike

Strikes are usually accompanied by demonstrations (not manifestation). Demonstrations are organized by trade unions (les syndicats).

Reasons to go on strke

for a payrise (augmentation de salaire)
for better conditions
to force a change in company or government policy
to protest against redundancies (licenciment économique)