Answer:
The labor unions were established by the workers after seeing the injustice towards them by the factory owners. The working condition was terrible, long hours of work, and low wages because people were willing to work in the factories as long as they were paid. The labor unions in the late 1800s and early 1900s, make sure to solve the problems the workers were facing in the factories by fighting for better working conditions, wages and reduction of working hours.
