As an HR Professional You Must Be Familiar with Particular

As an HR Professional you must be familiar with particular labor-based acts of congress. One such act is the Taft-Hartley Act which addressed right-to-work states and unions. What does right-to-work states mean for unions and employees?

A) Employees are not required to join a union to work.
B) Employees must join the union in order to work.
C) Union conducts the hiring process for an organization.
D) An organization can fire employees if they're members of a union.