Which is the best definition of a labor union? a)a group of employers who come together to advance their economic interests b)a group of workers who come together to advance their common interests c)a group of masters who come together to offer apprenticeships to skilled workers d)a group of workers who come together to offer apprenticeships to skilled workers

The Labor Union is an organization that represents the interests of workers, who are united to improve their working conditions, salaries, and the achievement of all the benefits that workers have by law. One of the examples of the importance of labor unions is a significant improvement in working conditions, a shorter working hours, and an increase in salaries that occurred after the First Industrial Revolution. Throughout history, the conception of work and conditions of unions changed, once were the target of various interest groups, however, the importance of the labor unions up until now is very large in the promotion of workers' interests.

The answer is: B)