Try to increase wages through collective bargaining, reducing the labor supply, or increasing labor demand. these groups of workers advocate for better wages, benefits, and working conditions.

The correct answer is - Labor unions.

The labor unions were vital for the balancing of the demands of the owners and the demands of the workers. Since the owners always look to maximize their profit, the workers decided to make their own unions and fight together for their rights. This type of unions were negotiating as one whole, and they forced the owners to make their wages higher, to make the working hours less, and to have to respect the workers and enable them to have proper working conditions.

a flatwork hope this