In the mid of 1800, the first known cases of arbitration occurred. However, in 1957, the case of Lincoln Mills can be considered as a landmark decision or the legal foundation of arbitration. The legal foundation for arbitration has been developed in the United States with the order of the Supreme Court. The role of the court enforcement of contract agreements and arbitration were particularly stated in three Supreme Court Cases, which are known as Steelworkers Trilogy. All of these three rulings upheld the grievance arbitration procedure