Injunctions were applied:

A) To stop unions from organizing workers where yellow dog contracts were in place.
B) To stop workers from signing yellow dog contracts.
C) To stop management from signing yellow dog contracts.
D) To stop management from interfering with unions that had signed yellow dog contracts.

Injunctions

Legal orders issued by a court that direct a party to do or refrain from doing specific acts, often used in labor disputes to halt strikes or picketing.

Yellow Dog Contracts

Employment agreements where the employee pledges not to join a labor union during the term of employment; these are illegal in the United States.