An example of an exclusive union would be

A) the International Brotherhood of the Teamsters.
B) the Communications Workers of America.
C) the American Medical Association.
D) the United Steel Workers.

Exclusive Union

A labor union agreement where the employer agrees to hire and negotiate only with one union.

American Medical Association

A professional association for physicians and medical students in the United States aimed at advancing public health, medical education, and standards of care.

International Brotherhood

This can refer to various organizations or labor unions that aim to promote solidarity and support among workers or members across national boundaries.