Which situation shows the benefit of a union?

Union Membership Gives Strength in Numbers. All workers benefit from unions, because unions set pay standards and workplace protections. Union members — workers like you — benefit most from the union's collective bargaining power to negotiate with employers on their behalf. And they represent workers in high-stakes situations, such as when a safety Figures A and B show that when unions are weak, the highest When union density is high, nonunion work The most sweeping advantage for unionized workers is in fringe benefits. ... Thus, a variety of sources show a union wage premium of between 15% and the economy, thereby improving pay and working conditions for the ...ers benefit from higher wages.

your answer would be (a)