The American Federation of Labor was founded in 1886 and provided a large number of workers with unprecedented bargaining power.  The Railway Labor Act (1926) required employers to bargain collectively with unions. Only one in three OECD workers has wages agreed upon through collective bargaining. The 36-member Organisation for Economic Co-operation and Development has become a strong supporter of collective bargaining to ensure that falling unemployment also leads to higher wages.  In 1931, the Supreme Court was appointed in the case of Texas – N.O.R. Co. Brotherhood of Railway Clerks, upheld the prohibition of employer interference in the selection of negotiators.  In 1962, President Kennedy signed an executive order that gives public employee unions the right to bargain collectively with federal authorities.  The United States covers the largest number of collective agreements in the private sector in the United States. The Act makes it illegal for employers to discriminate, spy, harass or terminate workers because of their union membership or to retaliate for organizing campaigns or other “concerted activities,” creating business unions or refusing to engage in collective bargaining with the union that represents their employees.
It is also illegal to require any worker to join a union as a condition of employment.  Trade unions are also able to ensure safe working conditions and adequate remuneration for their work. The right to bargain collectively with an employer strengthens the human dignity, freedom and autonomy of workers by giving them the opportunity to influence the definition of labour rules and thus gain some control over an important aspect of their lives, namely their work… Collective bargaining is not just a tool for pursuing external objectives… Rather, it is an experience as an experience of self-management that is in itself valuable… Collective bargaining enables workers to achieve some form of democracy in the workplace and to guarantee the rule of law in the workplace. Workers gain a voice to influence the definition of rules that control an important aspect of their lives.  Collective bargaining is a process of bargaining between employers and a group of workers that aim to regulate wages, working conditions, benefits and other aspects of workers` compensation and workers` rights.