Respuesta :
For the answer to the question above, one of the things labor unions have used successfully to accomplish their goals of things like setting a minimum wage and establishing shorter work weeks is lobbying. Many groups and organizations use lobbying to influence congress to act on their concerns.
Answer:
Lobbying.
Explanation:
The activities of labor unions is actually about wages, benefits, and working conditions. So, laws that are accomplished in these matters is because labor unions lobbied in the past. That's the why to be considered as a actual force and achieve their aims through legal roads.