please use citations!!!

1 Compare the role of labor unions at the start of the labor movement and their role today. Be specific with examples. 2. How will the role of unions continue to change, and do you believe there will always be a place for unians in the US economy? Be specific with examples. 3. Discuss how the 'right to work.law affects Unions. Be specific with examples 4. Can the threat of workplace violence ever be completely eliminated? Why or why not? 5. What are the differences between safety hazards and health hazards? 6. What are the primary causes and consequences of stress in organizations