Labor unions were effective in the late 1800s due to their ability to unite workers into a powerful group, advocating for improved conditions and rights in the face of opposition.
The ability that made labor unions effective as they grew in strength in the late 1800s was the ability to combine individuals into a powerful group. Labor unions were able to unite workers to advocate for better wages, working conditions, and rights, forming a stronger collective voice against company opposition and government challenges. This unity and solidarity among workers helped labor unions grow in numbers and gain further rights over time.