It Is an Unfair Labor Practice to Picket to Force

Multiple Choice

It is an unfair labor practice to picket to force an employer to recognize an uncertified union when

A) it has been conducted for an unreasonable amount of time, in excess of 30 days.
B) it has been more than a year since a valid representation election has been conducted by the National Labor Relations Board.
C) the members of the uncertified union have signed a hot-cargo contract.
D) the members of the uncertified union have signed a yellow-dog contract.
E) the employer has not recognized a union as the collective bargaining representative of its employees.