In the Steelworkers' Trilogy,the Supreme Court Held That

In the Steelworkers' trilogy,the Supreme Court held that:

A) arbitrators' decisions were essentially not subject to judicial review.
B) federal courts must enforce collective bargaining agreements,including provisions for arbitrating future grievances.
C) if the contract called for arbitration and if the court agreed with the arbitrator,the award would be enforced by the court if either party failed to comply with it.
D) the substance of the grievances and their arbitrability are to be determined by courts,not arbitrators.