Which of the following is an example of a union unfair labor practice? Multiple Choice Alaina Chiu, a union member, is threatened by Tomer, her boss, with loss of benefits if she votes for a union. Juanita Lopez, an operations head, threatens to close down a plant if organized by a union. Gabriela Martinez, a new employee, refuses to join a union. Jim Nelson, a nonunion employee, spies on union meetings. Ivan Harris, a union representative, makes a contract that requires his employer to hire employees satisfactory to the union