USA HISTORY

Detailed explanation-1: -closed shop, in union-management relations, an arrangement whereby an employer agrees to hire-and retain in employment-only persons who are members in good standing of the trade union. Such an agreement is arranged according to the terms of a labour contract.

Detailed explanation-2: -closed shop | Business English that is only open to particular people or companies to work in and not to everyone: The US defence market was until recently a closed shop to all but American firms. (Definition of closed shop from the Cambridge Business English Dictionary © Cambridge University Press)

Detailed explanation-3: -union shop, arrangement requiring workers to join a particular union and pay dues within a specified period of time after beginning employment-usually 30 to 90 days. Such an arrangement guarantees that workers will pay for the benefits of union representation.

Detailed explanation-4: -The purpose of a closed shop agreement is to guarantee that all workers observe the union rules, such as paying monthly dues, taking part in strikes and work-stoppages, and accepting the terms of wage and working conditions approved by the union leaders in collective bargaining agreements with company management.

Detailed explanation-5: -Union Shop: Where there is an agreement that all new recruits must join the union within a fixed period after employment it is called a union shop.