What are the causes and effect of the haymarket affair, homestead strike, and pullman strike? explain

Causes and effect of the Haymarket Affair, Homestead Strike, and Pullman Strike:

Haymarket affair which was also known as the haymarket riot was a protest by the workers to have an eight hour long working day and in this riot a protester threw a bomb at the police which resulted in the killing of some people. Homestead strike occurred because the plant which was owned by Henry wanted to weaken the strength of the labor so that their salary could be reduced even more. But this protest turned out to be violent the protesters were not successful leading to weakening of their union. The strike of Pullman was caused because of the reduction in wages of the lab our of Pullman company and it's effect was that rail road transportation was hindered by the workers and turning the protest violent. In the end federal government ordered to end the protest.

The second , larger puritan colony of massachusetts bay was conceived as a "city upon a hill". but it also struggled with internal turmoil like the salem witch trials and external conflicts like king philip's (metacom's) war.