A Union Is Engaged in a Labor Dispute with Hawkins

A union is engaged in a labor dispute with Hawkins, Inc. To force Hawkins into resolving the dispute in the union's favor, the union organizes a strike against Boxwell Co., with which the union has no dispute. The union agrees to stop the strike if Boxwell agrees to stop doing business with Hawkins. The strike against Boxwell is a prohibited unfair labor practice under the LMRA.