In 1886, a Chicago rally to protest police repression of strikers turned violent when a bomb was thrown into the police ranks and police fired into the departing crowd. This incident is known as:

A) The Homestead Strike.
B) The Ludlow Massacre.
C) The May Day Riots.
D) The Haymarket Tragedy.

Police Repression

The use of police forces to control or suppress the activities of individuals or groups, often criticized when excessive or without just cause.

Haymarket Tragedy

An 1886 incident in Chicago where a peaceful labor demonstration turned violent, leading to death and injuries among police and workers and becoming a pivotal event in labor history.

Strikers

Workers who refuse to work as part of an organized effort to press for changes from their employer, such as better working conditions or increased pay.