of whether the party resisting arbitration challenges the arbitration agreement specifically or in conjunction with other terms of the contract containing such agreement. (2) Collective bargaining agreements Nothing in this chapter shall apply to any arbitration provision in a contract between a covered entity and a labor organization, except that no such arbitration provision shall have the effect of waiving the right of a worker to seek judicial enforcement of a right arising under a provision of the Constitution of the United States, the constitution of a State, or a Federal or State statute, or public policy arising therefrom. . (b) Technical and conforming amendments (1) In general Title 9 of the United States Code is amended— (A) in section 1, by striking of seamen, and all that follows through interstate commerce