In 1886, striking workers clashed violently with replacement workers outside a factory in Haymarket Square. The police opened fire and killed four workers. The next day, a gathering of thousands of workers occurred. A bomb exploded suddenly, killing seven police officers. Besides the deaths that occurred as a result of the riot, why was the Haymarket Riot a significant event? a. There were children were involved. b. The police arrested thousands. c. It was the first violent incident by striking workers. d. Unions took control of factories throughout the country.
