A yellow dog contract is:

A) A promise by a worker to join a union
B) A promise by a worker not to join or support a union
C) A secondary boycott against an employer because they have violated a contract
D) A cease and desist order from the court

Yellow Dog Contract

An employment agreement where the worker agrees not to join a union as a condition of employment, now illegal in many countries.

Secondary Boycott

A protest tactic used by unions, targeting a business's dealings with another company, not directly involved in a labor dispute, to pressure the initial business.