In the Steelworks Trilogy Cases the Supreme Court ________

In the Steelworks Trilogy cases the Supreme Court ________.

A) ordered that employees with a substantial mutuality of interest in wages, hours, and working conditions can be appropriately grouped in a bargaining unit
B) upheld the grievance arbitration process and limited judicial intervention
C) ordered that a union can be certified to represent an appropriate bargaining unit only through a secret-ballot election
D) upheld the right of employees to use the employer's bulletin board for the purpose of union solicitation