This violent confrontation between Chicago police and labor protesters, which dramatized the labor movement’s struggle for recognition, began when a bomb was thrown into the police ranks at a gathering of radical unionists protesting police brutality against strikers. With seven officers dead and 60 wounded, the police opened fire on the crowd. Seven anarchist leaders were later sentenced to death. Why is their trial regarded as one of the most serious miscarriages of justice in US history? Discuss