Under the Wagner and Taft-Harley Acts, uThe _____ determines what group of employees would constitute an appropriate bargaining unit for a representation election and subsequent collective bargaining. a. Federal Mediation and Concilation Service b. Civil Service Commission c. National Labor Relations Board d. Department of Laborions cannot demand or require that an employer take action against an employee for any reason except _____. a. failure to be part of a strike b. failure to attend a union meeting c. for refusing to hand out union pamphlets at a union organizing drive d. for failure to pay union dues