27- Which of the following is NOT related to the National Labor Relations Act of 1935? a) It upheld employees' right to organize unions without the employer's interference. b) It provided a list of employers' unfair labor practices, such as threatening, interrogating, promising, or spying during a union's organizing period. c) It provided a legal foundation for creating the NLRB, which regulates unfair labor practices and union certification elections. D) It outlawed closed shops. Thus, employers are no longer required to hire union members only