Which of the Following Best Describes a Hot Cargo Agreement

Which of the following best describes a hot cargo agreement?

A) It is an agreement between a union and an employer that the employer will not use materials from nonunion shops.
B) It is an agreement between a union and an employer that the employees will use materials without excessive wastage.
C) It is an agreement between a union and an employer that the employer will not import materials from union shops abroad.
D) It is an agreement between a union and an employer that the employees will not use company materials for personal use.