How did Europeans use their legal system?

How did testimony such as this from the triangle shirtwaist factory disaster affect the workplace?

Which action by the us war department angered chief red cloud to the point that he refused to sign the treaty of fort laramie ? a) the killing of buffalo by the united states troops b) the appointment of troops to the powder river basin c) the burning of parts of the powder river basin d) the murder of chief red cloud’s wife

Why is the sons of liberty a difficult group to describe ?