The ILO pursues many other issues like hour limits, workplace safety, living wage legislation, sustainability, and rights for migrant and undocumented workers, but how do things stand with regard to the four fundamental rights in America?
Right to Work Laws prohibit union security agreements. These agreements are meant to address the free rider problem because without them the incentive is to not pay the costs of membership but still benefit from the collective bargaining activities of the union which cost money.
Section 1. Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.
Section 2. Congress shall have power to enforce this article by appropriate legislation.
In 1970, President Nixon singed the Occupational Health and Safety Act which in part created OSHA. Under this law, employers must provide their workers with a workplace free from serious hazards and on-the-job training to inform workers of potential hazards, test regularly for potential hazards, and keep accurate records of work-related injuries and illnesses. OSHA covers most private sector employees and some public sector employees either directly through federal OSHA or through a state plan.