USA HISTORY

Detailed explanation-1: -Because the anarchists and the strike were associated with the Knights of Labor, the Knights of Labor was therefore blamed for the riot that had occurred.

Detailed explanation-2: -The Haymarket Affair had a lasting effect on the labour movement in the United States. The Knights of Labor (KOL), at the time the largest and most successful union organization in the country, was blamed for the incident.

Detailed explanation-3: -On May 4, 1886, a bomb detonates near Haymarket Square in Chicago after police arrive to break up a rally in support of striking workers. This protest is one of a number of strikes, demonstrations, and other events held by workers and their supporters in Chicago from May 1-4 to advocate for an eight hour workday.

Detailed explanation-4: -The Haymarket Affair created panic and hysteria in Chicago and increased anti-labour and anti-immigrant sentiment and suspicion of the international anarchist movement, throughout the country (several Chicago labour leaders were anarchist immigrants from Germany).

Detailed explanation-5: -After the explosion at Haymarket Square in 1886, the government of the state of Illinois used this as an excuse to crack down on the labor movement.