1. Make it illegal to ban certain natural hairstyles for being unprofessional
2. Thorough background checks in jobs such as teachers, police, etc
1. They paid no taxes.
2. They were able to travel far distances.
3. Their children were needed to work in the fields.
It would likely be "skilled workers" who would have been most likely to criticize the Knights of Labor, since many skilled laborers and factory owners saw this Union as allowing for unfair bargaining power on behalf of the workers.
Answer:
It created a controversy that influenced President Roosevelt to take action.
Explanation:
slaughterhouse conditions were even worse than Sinclair had reported.