The correct answer to this question is B) the collective bargain.
The labor’s first step in solving labor problems and effecting change is the collective bargain.
The collective bargain is the negotiation between the labor union and the employer representation in decent and amicable terms. Through this negotiation, important topics for employees such as working hours, wages, and working conditions are discussed. Collective bargaining is the foundation of the trade union system and is the most common way to avoid strikes. So it is true that the labor’s first step in solving labor problems and effecting change is the collective bargain.