What is A single union represents all workers in a place of business?

A single union that represents all workers in a place of business is known as a "closed shop" or "union shop." This type of union serves to unify the workforce, negotiating collective bargaining agreements, wages, and working conditions on behalf of all employees. It ensures that every worker is part of the union, fostering solidarity and strength in negotiations with management. This arrangement can enhance worker representation but may also lead to debates about individual choice regarding union membership.