The Taft-Hartley Act, Also Known as the Labor Management Relations

The Taft-Hartley Act, also known as the Labor Management Relations Act, addressed unions and engaged in certain types of secondary boycotts. What is a secondary boycott?

A) It is an effort to convince others to stop doing business with a particular organization that is the subject of a primary boycott.
B) It is an effort to create more than one boycott on an organization, on two or more revenue streams.
C) It is two or more boycotts by two or more union-backed organizations against one company.
D) It is additional boycotts against companies that do business with a company which the union is boycotting.