Réponse :Hello !
1. The Haymarket protests started peacefully but later there was violence.
2. Police shot non-armed workers, who could not defend themselves.
3. Working conditions have got worse since the global financial crisis in 2008.
4. The Haymarket...and the right to peaceful protest. Or "Peacefully"
5. There are demonstrations in many countries on 1 May.
6. Worker's Day is a day to celebrate the achievements of Workers around the world.
Good Luck ;)
