A group of employees has gone on strike against their employer after an impasse in contract negotiations has been reached. The employees went on strike in order to support their position in negotiations for higher wages. Right after the strike began, management decided to fire two employees who were viewed as pushing the employees to approve the strike. The management then hired permanent strike replacements for the remainder of the workers. What type of strike is this and why? Based on this, was the employer's decision to hire permanent replacements legal or illegal, and why?

A group of employees has gone on strike against their employer after an impasse in contract negotiations has been reached. The employees went on strike in order to support their position in negotiations for higher wages. Right after the strike began, management decided to fire two employees who were viewed as pushing the employees to approve the strike. The management then hired permanent strike replacements for the remainder of the workers. What type of strike is this and why? Based on this, was the employer's decision to hire permanent replacements legal or illegal, and why?