A labor union is defined as:

Select one:

a$.$ the totality of many voluntary social relationships, civic and social organizations, and ins form the basi$$ of a functioning society.

b$.$ a distinct territorial subdivision for holding a separate election for one or more seats in a body.

c$.$ a congregation of legislators, administrators, and arbitrators in the administrative bureau control a state at a given time.

d$.$ a collection of workers banding together to meet common goals, such as better pay, bene promotion rules.

e$.$ a formal meeting of the representatives of different nations, constituent states, independe organizations, or groups.