The labor movement was blamed for the death of seven police officers during
A. the Haymarket Riot
B. the Triangle Shirtwaist Factory fire
C violence resulting from public anger with business leaders during the Depression
D. violent outbursts in the 1950s resulting from public outrage about union corruption

The labor movement was blamed for the death of seven police officers during the Haymarket Riot.

Option: A

Explanation:

In 1886 Haymarket riot occurred in United States (Chicago). In a rally in the market someone thrown bomb at police. Its named as Haymarket riot because the place in Chicago where it took place is a market namely Haymarket square. Agitation was made against eight hours work per day. At first it was a peaceful rally but later on public rushed to attack police and in aftermath eight persons died and several workers injured badly.

It was a violent confrontation. In this crime several persons were arrested. Two of them sentenced to death and others got life time imprisonment.