Answer:
Hay market Riot of 1886
Step-by-step explanation:
The Hay market Riot of 1886 occurred on the may 4th 1886. the riot resulted from a labor protest near Chicago Hay market square in the united states of America. the cause of the riot was when a member of the public threw a bomb at the police, during the riot violence at least 8 people were killed that day.
At least 8 people were charged for murder and seven ( 7 ) were sentenced to death by hanging which included four anarchists. these sentences passed on the Anarchists led to the rapid decline of the Knights of labor.