Which of the Following Is True of an Unfair Labor

Which of the following is true of an unfair labor practice strike?

A) An unfair labor practice strike is a nonviolent work stoppage for the purpose of obtaining better terms and conditions of employment under a collective bargaining agreement.
B) Employees engaged in an unfair labor practice strike cannot return to their jobs at the end of the strike.
C) If the employer fires unfair labor practice strikers, they will be able to sue for reinstatement.
D) Unfair labor practice strikers cannot sue their employer for back pay during the time they were prohibited from working.